821979756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1176

約数の個数: 144

約数和(自身を含む): 2355575040

約数和(自身を除く): 1533595284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 53, 62, 78, 93, 106, 117, 124, 156, 159, 186, 212, 234, 279, 318, 372, 403, 468, 477, 558, 636, 689, 806, 954, 1069, 1116, 1209, 1378, 1612, 1643, 1908, 2067, 2138, 2418, 2756, 3207, 3286, 3627, 4134, 4276, 4836, 4929, 6201, 6414, 6572, 7254, 8268, 9621, 9858, 12402, 12828, 13897, 14508, 14787, 19242, 19716, 21359, 24804, 27794, 29574, 33139, 38484, 41691, 42718, 55588, 56657, 59148, 64077, 66278, 83382, 85436, 99417, 113314, 125073, 128154, 132556, 166764, 169971, 192231, 198834, 226628, 250146, 256308, 298251, 339942, 384462, 397668, 430807, 500292, 509913, 596502, 679884, 736541, 768924, 861614, 1019826, 1193004, 1292421, 1473082, 1723228, 1756367, 2039652, 2209623, 2584842, 2946164, 3512734, 3877263, 4419246, 5169684, 5269101, 6628869, 7025468, 7754526, 8838492, 10538202, 13257738, 15509052, 15807303, 21076404, 22832771, 26515476, 31614606, 45665542, 63229212, 68498313, 91331084, 136996626, 205494939, 273993252, 410989878, 821979756]

約数ペア:

[(1, 821979756), (2, 410989878), (3, 273993252), (4, 205494939), (6, 136996626), (9, 91331084), (12, 68498313), (13, 63229212), (18, 45665542), (26, 31614606), (31, 26515476), (36, 22832771), (39, 21076404), (52, 15807303), (53, 15509052), (62, 13257738), (78, 10538202), (93, 8838492), (106, 7754526), (117, 7025468), (124, 6628869), (156, 5269101), (159, 5169684), (186, 4419246), (212, 3877263), (234, 3512734), (279, 2946164), (318, 2584842), (372, 2209623), (403, 2039652), (468, 1756367), (477, 1723228), (558, 1473082), (636, 1292421), (689, 1193004), (806, 1019826), (954, 861614), (1069, 768924), (1116, 736541), (1209, 679884), (1378, 596502), (1612, 509913), (1643, 500292), (1908, 430807), (2067, 397668), (2138, 384462), (2418, 339942), (2756, 298251), (3207, 256308), (3286, 250146), (3627, 226628), (4134, 198834), (4276, 192231), (4836, 169971), (4929, 166764), (6201, 132556), (6414, 128154), (6572, 125073), (7254, 113314), (8268, 99417), (9621, 85436), (9858, 83382), (12402, 66278), (12828, 64077), (13897, 59148), (14508, 56657), (14787, 55588), (19242, 42718), (19716, 41691), (21359, 38484), (24804, 33139), (27794, 29574)]