645990192

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{13553}}^1$

素因数の和:13898

約数の個数: 60

約数和(自身を含む): 1813470984

約数和(自身を除く): 1167480792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5296, 5958, 7944, 11916, 13553, 15888, 23832, 27106, 40659, 47664, 54212, 81318, 108424, 121977, 162636, 216848, 243954, 325272, 487908, 650544, 975816, 1951632, 4486043, 8972086, 13458129, 17944172, 26916258, 35888344, 40374387, 53832516, 71776688, 80748774, 107665032, 161497548, 215330064, 322995096, 645990192]

約数ペア:

[(1, 645990192), (2, 322995096), (3, 215330064), (4, 161497548), (6, 107665032), (8, 80748774), (9, 71776688), (12, 53832516), (16, 40374387), (18, 35888344), (24, 26916258), (36, 17944172), (48, 13458129), (72, 8972086), (144, 4486043), (331, 1951632), (662, 975816), (993, 650544), (1324, 487908), (1986, 325272), (2648, 243954), (2979, 216848), (3972, 162636), (5296, 121977), (5958, 108424), (7944, 81318), (11916, 54212), (13553, 47664), (15888, 40659), (23832, 27106)]