646495668

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7309}}^1$

素因数の和:7348

約数の個数: 144

約数和(自身を含む): 2086098560

約数和(自身を除く): 1439602892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 364, 378, 468, 486, 546, 567, 702, 756, 819, 972, 1053, 1092, 1134, 1404, 1638, 1701, 2106, 2268, 2457, 3159, 3276, 3402, 4212, 4914, 6318, 6804, 7309, 7371, 9828, 12636, 14618, 14742, 21927, 22113, 29236, 29484, 43854, 44226, 51163, 65781, 87708, 88452, 95017, 102326, 131562, 153489, 190034, 197343, 204652, 263124, 285051, 306978, 380068, 394686, 460467, 570102, 592029, 613956, 665119, 789372, 855153, 920934, 1140204, 1184058, 1330238, 1381401, 1710306, 1776087, 1841868, 1995357, 2368116, 2565459, 2660476, 2762802, 3420612, 3552174, 3990714, 4144203, 5130918, 5525604, 5986071, 7104348, 7696377, 7981428, 8288406, 10261836, 11972142, 12432609, 15392754, 16576812, 17958213, 23089131, 23944284, 24865218, 30785508, 35916426, 46178262, 49730436, 53874639, 71832852, 92356524, 107749278, 161623917, 215498556, 323247834, 646495668]

約数ペア:

[(1, 646495668), (2, 323247834), (3, 215498556), (4, 161623917), (6, 107749278), (7, 92356524), (9, 71832852), (12, 53874639), (13, 49730436), (14, 46178262), (18, 35916426), (21, 30785508), (26, 24865218), (27, 23944284), (28, 23089131), (36, 17958213), (39, 16576812), (42, 15392754), (52, 12432609), (54, 11972142), (63, 10261836), (78, 8288406), (81, 7981428), (84, 7696377), (91, 7104348), (108, 5986071), (117, 5525604), (126, 5130918), (156, 4144203), (162, 3990714), (182, 3552174), (189, 3420612), (234, 2762802), (243, 2660476), (252, 2565459), (273, 2368116), (324, 1995357), (351, 1841868), (364, 1776087), (378, 1710306), (468, 1381401), (486, 1330238), (546, 1184058), (567, 1140204), (702, 920934), (756, 855153), (819, 789372), (972, 665119), (1053, 613956), (1092, 592029), (1134, 570102), (1404, 460467), (1638, 394686), (1701, 380068), (2106, 306978), (2268, 285051), (2457, 263124), (3159, 204652), (3276, 197343), (3402, 190034), (4212, 153489), (4914, 131562), (6318, 102326), (6804, 95017), (7309, 88452), (7371, 87708), (9828, 65781), (12636, 51163), (14618, 44226), (14742, 43854), (21927, 29484), (22113, 29236)]