643670028

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 1648382736

約数和(自身を除く): 1004712708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 181, 346, 362, 519, 543, 571, 692, 724, 1038, 1086, 1142, 1557, 1629, 1713, 2076, 2172, 2284, 3114, 3258, 3426, 5139, 6228, 6516, 6852, 10278, 20556, 31313, 62626, 93939, 98783, 103351, 125252, 187878, 197566, 206702, 281817, 296349, 310053, 375756, 395132, 413404, 563634, 592698, 620106, 889047, 930159, 1127268, 1185396, 1240212, 1778094, 1860318, 3556188, 3720636, 17879723, 35759446, 53639169, 71518892, 107278338, 160917507, 214556676, 321835014, 643670028]

約数ペア:

[(1, 643670028), (2, 321835014), (3, 214556676), (4, 160917507), (6, 107278338), (9, 71518892), (12, 53639169), (18, 35759446), (36, 17879723), (173, 3720636), (181, 3556188), (346, 1860318), (362, 1778094), (519, 1240212), (543, 1185396), (571, 1127268), (692, 930159), (724, 889047), (1038, 620106), (1086, 592698), (1142, 563634), (1557, 413404), (1629, 395132), (1713, 375756), (2076, 310053), (2172, 296349), (2284, 281817), (3114, 206702), (3258, 197566), (3426, 187878), (5139, 125252), (6228, 103351), (6516, 98783), (6852, 93939), (10278, 62626), (20556, 31313)]