156978128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2617}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 319437888

約数和(自身を除く): 162459760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 163, 184, 326, 368, 652, 1304, 2608, 2617, 3749, 5234, 7498, 10468, 14996, 20936, 29992, 41872, 59984, 60191, 120382, 240764, 426571, 481528, 853142, 963056, 1706284, 3412568, 6825136, 9811133, 19622266, 39244532, 78489064, 156978128]

約数ペア:

[(1, 156978128), (2, 78489064), (4, 39244532), (8, 19622266), (16, 9811133), (23, 6825136), (46, 3412568), (92, 1706284), (163, 963056), (184, 853142), (326, 481528), (368, 426571), (652, 240764), (1304, 120382), (2608, 60191), (2617, 59984), (3749, 41872), (5234, 29992), (7498, 20936), (10468, 14996)]