156980395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 222715584

約数和(自身を除く): 65735189

約数列:

[1, 5, 11, 13, 55, 65, 143, 181, 715, 905, 1213, 1991, 2353, 6065, 9955, 11765, 13343, 15769, 25883, 66715, 78845, 129415, 173459, 219553, 867295, 1097765, 2415083, 2854189, 12075415, 14270945, 31396079, 156980395]

約数ペア:

[(1, 156980395), (5, 31396079), (11, 14270945), (13, 12075415), (55, 2854189), (65, 2415083), (143, 1097765), (181, 867295), (715, 219553), (905, 173459), (1213, 129415), (1991, 78845), (2353, 66715), (6065, 25883), (9955, 15769), (11765, 13343)]