331390488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 979937280

約数和(自身を除く): 648546792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 223, 264, 286, 312, 429, 433, 446, 572, 669, 858, 866, 892, 1144, 1299, 1338, 1716, 1732, 1784, 2453, 2598, 2676, 2899, 3432, 3464, 4763, 4906, 5196, 5352, 5629, 5798, 7359, 8697, 9526, 9812, 10392, 11258, 11596, 14289, 14718, 16887, 17394, 19052, 19624, 22516, 23192, 28578, 29436, 31889, 33774, 34788, 38104, 45032, 57156, 58872, 61919, 63778, 67548, 69576, 95667, 96559, 114312, 123838, 127556, 135096, 185757, 191334, 193118, 247676, 255112, 289677, 371514, 382668, 386236, 495352, 579354, 743028, 765336, 772472, 1062149, 1158708, 1255267, 1486056, 2124298, 2317416, 2510534, 3186447, 3765801, 4248596, 5021068, 6372894, 7531602, 8497192, 10042136, 12745788, 13807937, 15063204, 25491576, 27615874, 30126408, 41423811, 55231748, 82847622, 110463496, 165695244, 331390488]

約数ペア:

[(1, 331390488), (2, 165695244), (3, 110463496), (4, 82847622), (6, 55231748), (8, 41423811), (11, 30126408), (12, 27615874), (13, 25491576), (22, 15063204), (24, 13807937), (26, 12745788), (33, 10042136), (39, 8497192), (44, 7531602), (52, 6372894), (66, 5021068), (78, 4248596), (88, 3765801), (104, 3186447), (132, 2510534), (143, 2317416), (156, 2124298), (223, 1486056), (264, 1255267), (286, 1158708), (312, 1062149), (429, 772472), (433, 765336), (446, 743028), (572, 579354), (669, 495352), (858, 386236), (866, 382668), (892, 371514), (1144, 289677), (1299, 255112), (1338, 247676), (1716, 193118), (1732, 191334), (1784, 185757), (2453, 135096), (2598, 127556), (2676, 123838), (2899, 114312), (3432, 96559), (3464, 95667), (4763, 69576), (4906, 67548), (5196, 63778), (5352, 61919), (5629, 58872), (5798, 57156), (7359, 45032), (8697, 38104), (9526, 34788), (9812, 33774), (10392, 31889), (11258, 29436), (11596, 28578), (14289, 23192), (14718, 22516), (16887, 19624), (17394, 19052)]