228128537

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 286007040

約数和(自身を除く): 57878503

約数列:

[1, 7, 13, 79, 91, 169, 553, 1027, 1183, 2441, 7189, 13351, 17087, 31733, 93457, 192839, 222131, 412529, 1349873, 2506907, 2887703, 17548349, 32589791, 228128537]

約数ペア:

[(1, 228128537), (7, 32589791), (13, 17548349), (79, 2887703), (91, 2506907), (169, 1349873), (553, 412529), (1027, 222131), (1183, 192839), (2441, 93457), (7189, 31733), (13351, 17087)]