127991312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3109}}^1$

素因数の和:3231

約数の個数: 40

約数和(自身を含む): 259150080

約数和(自身を除く): 131158768

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 1328, 2573, 3109, 5146, 6218, 10292, 12436, 20584, 24872, 41168, 49744, 96379, 192758, 258047, 385516, 516094, 771032, 1032188, 1542064, 2064376, 4128752, 7999457, 15998914, 31997828, 63995656, 127991312]

約数ペア:

[(1, 127991312), (2, 63995656), (4, 31997828), (8, 15998914), (16, 7999457), (31, 4128752), (62, 2064376), (83, 1542064), (124, 1032188), (166, 771032), (248, 516094), (332, 385516), (496, 258047), (664, 192758), (1328, 96379), (2573, 49744), (3109, 41168), (5146, 24872), (6218, 20584), (10292, 12436)]