491970648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2243}}^1$

素因数の和:2321

約数の個数: 128

約数和(自身を含む): 1432569600

約数和(自身を除く): 940598952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 37, 38, 39, 52, 57, 74, 76, 78, 104, 111, 114, 148, 152, 156, 222, 228, 247, 296, 312, 444, 456, 481, 494, 703, 741, 888, 962, 988, 1406, 1443, 1482, 1924, 1976, 2109, 2243, 2812, 2886, 2964, 3848, 4218, 4486, 5624, 5772, 5928, 6729, 8436, 8972, 9139, 11544, 13458, 16872, 17944, 18278, 26916, 27417, 29159, 36556, 42617, 53832, 54834, 58318, 73112, 82991, 85234, 87477, 109668, 116636, 127851, 165982, 170468, 174954, 219336, 233272, 248973, 255702, 331964, 340936, 349908, 497946, 511404, 554021, 663928, 699816, 995892, 1022808, 1078883, 1108042, 1576829, 1662063, 1991784, 2157766, 2216084, 3153658, 3236649, 3324126, 4315532, 4432168, 4730487, 6307316, 6473298, 6648252, 8631064, 9460974, 12614632, 12946596, 13296504, 18921948, 20498777, 25893192, 37843896, 40997554, 61496331, 81995108, 122992662, 163990216, 245985324, 491970648]

約数ペア:

[(1, 491970648), (2, 245985324), (3, 163990216), (4, 122992662), (6, 81995108), (8, 61496331), (12, 40997554), (13, 37843896), (19, 25893192), (24, 20498777), (26, 18921948), (37, 13296504), (38, 12946596), (39, 12614632), (52, 9460974), (57, 8631064), (74, 6648252), (76, 6473298), (78, 6307316), (104, 4730487), (111, 4432168), (114, 4315532), (148, 3324126), (152, 3236649), (156, 3153658), (222, 2216084), (228, 2157766), (247, 1991784), (296, 1662063), (312, 1576829), (444, 1108042), (456, 1078883), (481, 1022808), (494, 995892), (703, 699816), (741, 663928), (888, 554021), (962, 511404), (988, 497946), (1406, 349908), (1443, 340936), (1482, 331964), (1924, 255702), (1976, 248973), (2109, 233272), (2243, 219336), (2812, 174954), (2886, 170468), (2964, 165982), (3848, 127851), (4218, 116636), (4486, 109668), (5624, 87477), (5772, 85234), (5928, 82991), (6729, 73112), (8436, 58318), (8972, 54834), (9139, 53832), (11544, 42617), (13458, 36556), (16872, 29159), (17944, 27417), (18278, 26916)]