231781212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 671082048

約数和(自身を除く): 439300836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 61, 69, 78, 92, 117, 122, 138, 156, 183, 207, 234, 244, 276, 299, 353, 366, 414, 468, 549, 598, 706, 732, 793, 828, 897, 1059, 1098, 1196, 1403, 1412, 1586, 1794, 2118, 2196, 2379, 2691, 2806, 3172, 3177, 3588, 4209, 4236, 4589, 4758, 5382, 5612, 6354, 7137, 8119, 8418, 9178, 9516, 10764, 12627, 12708, 13767, 14274, 16238, 16836, 18239, 18356, 21533, 24357, 25254, 27534, 28548, 32476, 36478, 41301, 43066, 48714, 50508, 54717, 55068, 64599, 72956, 73071, 82602, 86132, 97428, 105547, 109434, 129198, 146142, 164151, 165204, 193797, 211094, 218868, 258396, 279929, 292284, 316641, 328302, 387594, 422188, 495259, 559858, 633282, 656604, 775188, 839787, 949923, 990518, 1119716, 1266564, 1485777, 1679574, 1899846, 1981036, 2519361, 2971554, 3359148, 3799692, 4457331, 5038722, 5943108, 6438367, 8914662, 10077444, 12876734, 17829324, 19315101, 25753468, 38630202, 57945303, 77260404, 115890606, 231781212]

約数ペア:

[(1, 231781212), (2, 115890606), (3, 77260404), (4, 57945303), (6, 38630202), (9, 25753468), (12, 19315101), (13, 17829324), (18, 12876734), (23, 10077444), (26, 8914662), (36, 6438367), (39, 5943108), (46, 5038722), (52, 4457331), (61, 3799692), (69, 3359148), (78, 2971554), (92, 2519361), (117, 1981036), (122, 1899846), (138, 1679574), (156, 1485777), (183, 1266564), (207, 1119716), (234, 990518), (244, 949923), (276, 839787), (299, 775188), (353, 656604), (366, 633282), (414, 559858), (468, 495259), (549, 422188), (598, 387594), (706, 328302), (732, 316641), (793, 292284), (828, 279929), (897, 258396), (1059, 218868), (1098, 211094), (1196, 193797), (1403, 165204), (1412, 164151), (1586, 146142), (1794, 129198), (2118, 109434), (2196, 105547), (2379, 97428), (2691, 86132), (2806, 82602), (3172, 73071), (3177, 72956), (3588, 64599), (4209, 55068), (4236, 54717), (4589, 50508), (4758, 48714), (5382, 43066), (5612, 41301), (6354, 36478), (7137, 32476), (8119, 28548), (8418, 27534), (9178, 25254), (9516, 24357), (10764, 21533), (12627, 18356), (12708, 18239), (13767, 16836), (14274, 16238)]