161871736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 341107200

約数和(自身を除く): 179235464

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 191, 232, 281, 377, 382, 562, 754, 764, 1124, 1508, 1528, 2248, 2483, 3016, 3653, 4966, 5539, 7306, 8149, 9932, 11078, 14612, 16298, 19864, 22156, 29224, 32596, 44312, 53671, 65192, 72007, 105937, 107342, 144014, 211874, 214684, 288028, 423748, 429368, 576056, 697723, 847496, 1395446, 1556459, 2790892, 3112918, 5581784, 6225836, 12451672, 20233967, 40467934, 80935868, 161871736]

約数ペア:

[(1, 161871736), (2, 80935868), (4, 40467934), (8, 20233967), (13, 12451672), (26, 6225836), (29, 5581784), (52, 3112918), (58, 2790892), (104, 1556459), (116, 1395446), (191, 847496), (232, 697723), (281, 576056), (377, 429368), (382, 423748), (562, 288028), (754, 214684), (764, 211874), (1124, 144014), (1508, 107342), (1528, 105937), (2248, 72007), (2483, 65192), (3016, 53671), (3653, 44312), (4966, 32596), (5539, 29224), (7306, 22156), (8149, 19864), (9932, 16298), (11078, 14612)]