81798925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 117992448

約数和(自身を除く): 36193523

約数列:

[1, 5, 13, 23, 25, 31, 65, 115, 155, 299, 325, 353, 403, 575, 713, 775, 1495, 1765, 2015, 3565, 4589, 7475, 8119, 8825, 9269, 10075, 10943, 17825, 22945, 40595, 46345, 54715, 105547, 114725, 142259, 202975, 231725, 251689, 273575, 527735, 711295, 1258445, 2638675, 3271957, 3556475, 6292225, 16359785, 81798925]

約数ペア:

[(1, 81798925), (5, 16359785), (13, 6292225), (23, 3556475), (25, 3271957), (31, 2638675), (65, 1258445), (115, 711295), (155, 527735), (299, 273575), (325, 251689), (353, 231725), (403, 202975), (575, 142259), (713, 114725), (775, 105547), (1495, 54715), (1765, 46345), (2015, 40595), (3565, 22945), (4589, 17825), (7475, 10943), (8119, 10075), (8825, 9269)]