920556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 2874144

約数和(自身を除く): 1953588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 281, 364, 468, 546, 562, 819, 843, 1092, 1124, 1638, 1686, 1967, 2529, 3276, 3372, 3653, 3934, 5058, 5901, 7306, 7868, 10116, 10959, 11802, 14612, 17703, 21918, 23604, 25571, 32877, 35406, 43836, 51142, 65754, 70812, 76713, 102284, 131508, 153426, 230139, 306852, 460278, 920556]

約数ペア:

[(1, 920556), (2, 460278), (3, 306852), (4, 230139), (6, 153426), (7, 131508), (9, 102284), (12, 76713), (13, 70812), (14, 65754), (18, 51142), (21, 43836), (26, 35406), (28, 32877), (36, 25571), (39, 23604), (42, 21918), (52, 17703), (63, 14612), (78, 11802), (84, 10959), (91, 10116), (117, 7868), (126, 7306), (156, 5901), (182, 5058), (234, 3934), (252, 3653), (273, 3372), (281, 3276), (364, 2529), (468, 1967), (546, 1686), (562, 1638), (819, 1124), (843, 1092)]