639139548

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 1659087360

約数和(自身を除く): 1019947812

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 179, 204, 276, 358, 391, 537, 716, 761, 782, 1074, 1173, 1522, 1564, 2148, 2283, 2346, 3043, 3044, 4117, 4566, 4692, 6086, 8234, 9129, 9132, 12172, 12351, 12937, 16468, 17503, 18258, 24702, 25874, 35006, 36516, 38811, 49404, 51748, 52509, 69989, 70012, 77622, 105018, 136219, 139978, 155244, 209967, 210036, 272438, 279956, 297551, 408657, 419934, 544876, 595102, 817314, 839868, 892653, 1190204, 1634628, 1785306, 2315723, 3133037, 3570612, 4631446, 6266074, 6947169, 9262892, 9399111, 12532148, 13894338, 18798222, 27788676, 37596444, 53261629, 106523258, 159784887, 213046516, 319569774, 639139548]

約数ペア:

[(1, 639139548), (2, 319569774), (3, 213046516), (4, 159784887), (6, 106523258), (12, 53261629), (17, 37596444), (23, 27788676), (34, 18798222), (46, 13894338), (51, 12532148), (68, 9399111), (69, 9262892), (92, 6947169), (102, 6266074), (138, 4631446), (179, 3570612), (204, 3133037), (276, 2315723), (358, 1785306), (391, 1634628), (537, 1190204), (716, 892653), (761, 839868), (782, 817314), (1074, 595102), (1173, 544876), (1522, 419934), (1564, 408657), (2148, 297551), (2283, 279956), (2346, 272438), (3043, 210036), (3044, 209967), (4117, 155244), (4566, 139978), (4692, 136219), (6086, 105018), (8234, 77622), (9129, 70012), (9132, 69989), (12172, 52509), (12351, 51748), (12937, 49404), (16468, 38811), (17503, 36516), (18258, 35006), (24702, 25874)]