1278783112

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2903}}^1$

素因数の和:3046

約数の個数: 64

約数和(自身を含む): 2634508800

約数和(自身を除く): 1355725688

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 79, 82, 136, 158, 164, 316, 328, 632, 697, 1343, 1394, 2686, 2788, 2903, 3239, 5372, 5576, 5806, 6478, 10744, 11612, 12956, 23224, 25912, 49351, 55063, 98702, 110126, 119023, 197404, 220252, 229337, 238046, 394808, 440504, 458674, 476092, 917348, 952184, 1834696, 2023391, 3898729, 4046782, 7797458, 8093564, 9402817, 15594916, 16187128, 18805634, 31189832, 37611268, 75222536, 159847889, 319695778, 639391556, 1278783112]

約数ペア:

[(1, 1278783112), (2, 639391556), (4, 319695778), (8, 159847889), (17, 75222536), (34, 37611268), (41, 31189832), (68, 18805634), (79, 16187128), (82, 15594916), (136, 9402817), (158, 8093564), (164, 7797458), (316, 4046782), (328, 3898729), (632, 2023391), (697, 1834696), (1343, 952184), (1394, 917348), (2686, 476092), (2788, 458674), (2903, 440504), (3239, 394808), (5372, 238046), (5576, 229337), (5806, 220252), (6478, 197404), (10744, 119023), (11612, 110126), (12956, 98702), (23224, 55063), (25912, 49351)]