399350484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6719}}^1$

素因数の和:6869

約数の個数: 72

約数和(自身を含む): 1095843840

約数和(自身を除く): 696493356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1524, 1651, 2286, 3302, 4572, 4953, 6604, 6719, 9906, 13438, 14859, 19812, 20157, 26876, 29718, 40314, 59436, 60471, 80628, 87347, 120942, 174694, 241884, 262041, 349388, 524082, 786123, 853313, 1048164, 1572246, 1706626, 2559939, 3144492, 3413252, 5119878, 7679817, 10239756, 11093069, 15359634, 22186138, 30719268, 33279207, 44372276, 66558414, 99837621, 133116828, 199675242, 399350484]

約数ペア:

[(1, 399350484), (2, 199675242), (3, 133116828), (4, 99837621), (6, 66558414), (9, 44372276), (12, 33279207), (13, 30719268), (18, 22186138), (26, 15359634), (36, 11093069), (39, 10239756), (52, 7679817), (78, 5119878), (117, 3413252), (127, 3144492), (156, 2559939), (234, 1706626), (254, 1572246), (381, 1048164), (468, 853313), (508, 786123), (762, 524082), (1143, 349388), (1524, 262041), (1651, 241884), (2286, 174694), (3302, 120942), (4572, 87347), (4953, 80628), (6604, 60471), (6719, 59436), (9906, 40314), (13438, 29718), (14859, 26876), (19812, 20157)]