156916516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{15761}}^1$

素因数の和:15915

約数の個数: 24

約数和(自身を含む): 291281760

約数和(自身を除く): 134365244

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 15761, 31522, 63044, 299459, 598918, 1197836, 2064691, 4129382, 8258764, 39229129, 78458258, 156916516]

約数ペア:

[(1, 156916516), (2, 78458258), (4, 39229129), (19, 8258764), (38, 4129382), (76, 2064691), (131, 1197836), (262, 598918), (524, 299459), (2489, 63044), (4978, 31522), (9956, 15761)]