215715348

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 560976416

約数和(自身を除く): 345261068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 331, 387, 421, 516, 662, 774, 842, 993, 1263, 1324, 1548, 1684, 1986, 2526, 2979, 3789, 3972, 5052, 5958, 7578, 11916, 14233, 15156, 18103, 28466, 36206, 42699, 54309, 56932, 72412, 85398, 108618, 128097, 139351, 162927, 170796, 217236, 256194, 278702, 325854, 418053, 512388, 557404, 651708, 836106, 1254159, 1672212, 2508318, 5016636, 5992093, 11984186, 17976279, 23968372, 35952558, 53928837, 71905116, 107857674, 215715348]

約数ペア:

[(1, 215715348), (2, 107857674), (3, 71905116), (4, 53928837), (6, 35952558), (9, 23968372), (12, 17976279), (18, 11984186), (36, 5992093), (43, 5016636), (86, 2508318), (129, 1672212), (172, 1254159), (258, 836106), (331, 651708), (387, 557404), (421, 512388), (516, 418053), (662, 325854), (774, 278702), (842, 256194), (993, 217236), (1263, 170796), (1324, 162927), (1548, 139351), (1684, 128097), (1986, 108618), (2526, 85398), (2979, 72412), (3789, 56932), (3972, 54309), (5052, 42699), (5958, 36206), (7578, 28466), (11916, 18103), (14233, 15156)]