16961988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 43255072

約数和(自身を除く): 26293084

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 67, 68, 73, 102, 134, 146, 201, 204, 219, 268, 289, 292, 402, 438, 578, 804, 867, 876, 1139, 1156, 1241, 1734, 2278, 2482, 3417, 3468, 3723, 4556, 4891, 4964, 6834, 7446, 9782, 13668, 14673, 14892, 19363, 19564, 21097, 29346, 38726, 42194, 58089, 58692, 63291, 77452, 83147, 84388, 116178, 126582, 166294, 232356, 249441, 253164, 332588, 498882, 997764, 1413499, 2826998, 4240497, 5653996, 8480994, 16961988]

約数ペア:

[(1, 16961988), (2, 8480994), (3, 5653996), (4, 4240497), (6, 2826998), (12, 1413499), (17, 997764), (34, 498882), (51, 332588), (67, 253164), (68, 249441), (73, 232356), (102, 166294), (134, 126582), (146, 116178), (201, 84388), (204, 83147), (219, 77452), (268, 63291), (289, 58692), (292, 58089), (402, 42194), (438, 38726), (578, 29346), (804, 21097), (867, 19564), (876, 19363), (1139, 14892), (1156, 14673), (1241, 13668), (1734, 9782), (2278, 7446), (2482, 6834), (3417, 4964), (3468, 4891), (3723, 4556)]