216920412

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 562161600

約数和(自身を除く): 345241188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 89, 158, 178, 237, 267, 316, 356, 474, 534, 711, 801, 857, 948, 1068, 1422, 1602, 1714, 2571, 2844, 3204, 3428, 5142, 7031, 7713, 10284, 14062, 15426, 21093, 28124, 30852, 42186, 63279, 67703, 76273, 84372, 126558, 135406, 152546, 203109, 228819, 253116, 270812, 305092, 406218, 457638, 609327, 686457, 812436, 915276, 1218654, 1372914, 2437308, 2745828, 6025567, 12051134, 18076701, 24102268, 36153402, 54230103, 72306804, 108460206, 216920412]

約数ペア:

[(1, 216920412), (2, 108460206), (3, 72306804), (4, 54230103), (6, 36153402), (9, 24102268), (12, 18076701), (18, 12051134), (36, 6025567), (79, 2745828), (89, 2437308), (158, 1372914), (178, 1218654), (237, 915276), (267, 812436), (316, 686457), (356, 609327), (474, 457638), (534, 406218), (711, 305092), (801, 270812), (857, 253116), (948, 228819), (1068, 203109), (1422, 152546), (1602, 135406), (1714, 126558), (2571, 84372), (2844, 76273), (3204, 67703), (3428, 63279), (5142, 42186), (7031, 30852), (7713, 28124), (10284, 21093), (14062, 15426)]