1231955998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{17401}}^1$

素因数の和:17812

約数の個数: 32

約数和(自身を含む): 2280358080

約数和(自身を除く): 1048402082

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 389, 778, 2723, 5057, 5446, 10114, 17401, 34802, 35399, 70798, 121807, 226213, 243614, 452426, 1583491, 3166982, 6768989, 13537978, 47382923, 87996857, 94765846, 175993714, 615977999, 1231955998]

約数ペア:

[(1, 1231955998), (2, 615977999), (7, 175993714), (13, 94765846), (14, 87996857), (26, 47382923), (91, 13537978), (182, 6768989), (389, 3166982), (778, 1583491), (2723, 452426), (5057, 243614), (5446, 226213), (10114, 121807), (17401, 70798), (34802, 35399)]