399611212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 972649216

約数和(自身を除く): 573038004

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 43, 44, 52, 77, 86, 91, 121, 143, 154, 172, 182, 211, 242, 286, 301, 308, 364, 422, 473, 484, 559, 572, 602, 844, 847, 946, 1001, 1118, 1204, 1477, 1573, 1694, 1892, 2002, 2236, 2321, 2743, 2954, 3146, 3311, 3388, 3913, 4004, 4642, 5203, 5486, 5908, 6149, 6292, 6622, 7826, 9073, 9284, 10406, 10972, 11011, 12298, 13244, 15652, 16247, 18146, 19201, 20812, 22022, 24596, 25531, 30173, 32494, 36292, 36421, 38402, 43043, 44044, 51062, 60346, 63511, 64988, 67639, 72842, 76804, 86086, 99803, 102124, 117949, 120692, 127022, 135278, 145684, 172172, 178717, 199606, 211211, 235898, 254044, 270556, 331903, 357434, 399212, 422422, 471796, 473473, 663806, 698621, 714868, 825643, 844844, 946946, 1097833, 1297439, 1327612, 1397242, 1651286, 1893892, 2195666, 2323321, 2594878, 2794484, 3302572, 4391332, 4646642, 5189756, 7684831, 9082073, 9293284, 14271829, 15369662, 18164146, 28543658, 30739324, 36328292, 57087316, 99902803, 199805606, 399611212]

約数ペア:

[(1, 399611212), (2, 199805606), (4, 99902803), (7, 57087316), (11, 36328292), (13, 30739324), (14, 28543658), (22, 18164146), (26, 15369662), (28, 14271829), (43, 9293284), (44, 9082073), (52, 7684831), (77, 5189756), (86, 4646642), (91, 4391332), (121, 3302572), (143, 2794484), (154, 2594878), (172, 2323321), (182, 2195666), (211, 1893892), (242, 1651286), (286, 1397242), (301, 1327612), (308, 1297439), (364, 1097833), (422, 946946), (473, 844844), (484, 825643), (559, 714868), (572, 698621), (602, 663806), (844, 473473), (847, 471796), (946, 422422), (1001, 399212), (1118, 357434), (1204, 331903), (1477, 270556), (1573, 254044), (1694, 235898), (1892, 211211), (2002, 199606), (2236, 178717), (2321, 172172), (2743, 145684), (2954, 135278), (3146, 127022), (3311, 120692), (3388, 117949), (3913, 102124), (4004, 99803), (4642, 86086), (5203, 76804), (5486, 72842), (5908, 67639), (6149, 64988), (6292, 63511), (6622, 60346), (7826, 51062), (9073, 44044), (9284, 43043), (10406, 38402), (10972, 36421), (11011, 36292), (12298, 32494), (13244, 30173), (15652, 25531), (16247, 24596), (18146, 22022), (19201, 20812)]