64661648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 138741120

約数和(自身を除く): 74079472

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 73, 83, 92, 116, 146, 166, 184, 232, 292, 332, 368, 464, 584, 664, 667, 1168, 1328, 1334, 1679, 1909, 2117, 2407, 2668, 3358, 3818, 4234, 4814, 5336, 6059, 6716, 7636, 8468, 9628, 10672, 12118, 13432, 15272, 16936, 19256, 24236, 26864, 30544, 33872, 38512, 48472, 48691, 55361, 96944, 97382, 110722, 139357, 175711, 194764, 221444, 278714, 351422, 389528, 442888, 557428, 702844, 779056, 885776, 1114856, 1405688, 2229712, 2811376, 4041353, 8082706, 16165412, 32330824, 64661648]

約数ペア:

[(1, 64661648), (2, 32330824), (4, 16165412), (8, 8082706), (16, 4041353), (23, 2811376), (29, 2229712), (46, 1405688), (58, 1114856), (73, 885776), (83, 779056), (92, 702844), (116, 557428), (146, 442888), (166, 389528), (184, 351422), (232, 278714), (292, 221444), (332, 194764), (368, 175711), (464, 139357), (584, 110722), (664, 97382), (667, 96944), (1168, 55361), (1328, 48691), (1334, 48472), (1679, 38512), (1909, 33872), (2117, 30544), (2407, 26864), (2668, 24236), (3358, 19256), (3818, 16936), (4234, 15272), (4814, 13432), (5336, 12118), (6059, 10672), (6716, 9628), (7636, 8468)]