156812944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{160669}}^1$

素因数の和:160738

約数の個数: 20

約数和(自身を含む): 308807740

約数和(自身を除く): 151994796

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 160669, 321338, 642676, 1285352, 2570704, 9800809, 19601618, 39203236, 78406472, 156812944]

約数ペア:

[(1, 156812944), (2, 78406472), (4, 39203236), (8, 19601618), (16, 9800809), (61, 2570704), (122, 1285352), (244, 642676), (488, 321338), (976, 160669)]