280212842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19489}}^1$

素因数の和:19590

約数の個数: 32

約数和(自身を含む): 523891200

約数和(自身を除く): 243678358

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 2054, 7189, 14378, 19489, 38978, 136423, 253357, 272846, 506714, 1539631, 1773499, 3079262, 3546998, 10777417, 20015203, 21554834, 40030406, 140106421, 280212842]

約数ペア:

[(1, 280212842), (2, 140106421), (7, 40030406), (13, 21554834), (14, 20015203), (26, 10777417), (79, 3546998), (91, 3079262), (158, 1773499), (182, 1539631), (553, 506714), (1027, 272846), (1106, 253357), (2054, 136423), (7189, 38978), (14378, 19489)]