127799728

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12821}}^1$

素因数の和:12925

約数の個数: 40

約数和(自身を含む): 286187040

約数和(自身を除く): 158387312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 12821, 25642, 51284, 89747, 102568, 179494, 205136, 358988, 717976, 1141069, 1435952, 2282138, 4564276, 7987483, 9128552, 15974966, 18257104, 31949932, 63899864, 127799728]

約数ペア:

[(1, 127799728), (2, 63899864), (4, 31949932), (7, 18257104), (8, 15974966), (14, 9128552), (16, 7987483), (28, 4564276), (56, 2282138), (89, 1435952), (112, 1141069), (178, 717976), (356, 358988), (623, 205136), (712, 179494), (1246, 102568), (1424, 89747), (2492, 51284), (4984, 25642), (9968, 12821)]