861321984

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:986

約数の個数: 144

約数和(自身を含む): 2451818880

約数和(自身を除く): 1590496896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 67, 76, 96, 114, 128, 134, 152, 192, 201, 228, 256, 268, 304, 384, 402, 456, 536, 608, 768, 804, 881, 912, 1072, 1216, 1273, 1608, 1762, 1824, 2144, 2432, 2546, 2643, 3216, 3524, 3648, 3819, 4288, 4864, 5092, 5286, 6432, 7048, 7296, 7638, 8576, 10184, 10572, 12864, 14096, 14592, 15276, 16739, 17152, 20368, 21144, 25728, 28192, 30552, 33478, 40736, 42288, 50217, 51456, 56384, 59027, 61104, 66956, 81472, 84576, 100434, 112768, 118054, 122208, 133912, 162944, 169152, 177081, 200868, 225536, 236108, 244416, 267824, 325888, 338304, 354162, 401736, 472216, 488832, 535648, 676608, 708324, 803472, 944432, 977664, 1071296, 1121513, 1416648, 1606944, 1888864, 2142592, 2243026, 2833296, 3213888, 3364539, 3777728, 4285184, 4486052, 5666592, 6427776, 6729078, 7555456, 8972104, 11333184, 12855552, 13458156, 15110912, 17944208, 22666368, 26916312, 35888416, 45332736, 53832624, 71776832, 107665248, 143553664, 215330496, 287107328, 430660992, 861321984]

約数ペア:

[(1, 861321984), (2, 430660992), (3, 287107328), (4, 215330496), (6, 143553664), (8, 107665248), (12, 71776832), (16, 53832624), (19, 45332736), (24, 35888416), (32, 26916312), (38, 22666368), (48, 17944208), (57, 15110912), (64, 13458156), (67, 12855552), (76, 11333184), (96, 8972104), (114, 7555456), (128, 6729078), (134, 6427776), (152, 5666592), (192, 4486052), (201, 4285184), (228, 3777728), (256, 3364539), (268, 3213888), (304, 2833296), (384, 2243026), (402, 2142592), (456, 1888864), (536, 1606944), (608, 1416648), (768, 1121513), (804, 1071296), (881, 977664), (912, 944432), (1072, 803472), (1216, 708324), (1273, 676608), (1608, 535648), (1762, 488832), (1824, 472216), (2144, 401736), (2432, 354162), (2546, 338304), (2643, 325888), (3216, 267824), (3524, 244416), (3648, 236108), (3819, 225536), (4288, 200868), (4864, 177081), (5092, 169152), (5286, 162944), (6432, 133912), (7048, 122208), (7296, 118054), (7638, 112768), (8576, 100434), (10184, 84576), (10572, 81472), (12864, 66956), (14096, 61104), (14592, 59027), (15276, 56384), (16739, 51456), (17152, 50217), (20368, 42288), (21144, 40736), (25728, 33478), (28192, 30552)]