91038025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 133741440

約数和(自身を除く): 42703415

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 437, 475, 575, 641, 1235, 1495, 2185, 3205, 5681, 6175, 7475, 8333, 10925, 12179, 14743, 16025, 28405, 41665, 60895, 73715, 142025, 158327, 191659, 208325, 280117, 304475, 368575, 791635, 958295, 1400585, 3641521, 3958175, 4791475, 7002925, 18207605, 91038025]

約数ペア:

[(1, 91038025), (5, 18207605), (13, 7002925), (19, 4791475), (23, 3958175), (25, 3641521), (65, 1400585), (95, 958295), (115, 791635), (247, 368575), (299, 304475), (325, 280117), (437, 208325), (475, 191659), (575, 158327), (641, 142025), (1235, 73715), (1495, 60895), (2185, 41665), (3205, 28405), (5681, 16025), (6175, 14743), (7475, 12179), (8333, 10925)]