26047385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 16530535

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 131, 133, 161, 247, 299, 437, 455, 655, 665, 805, 917, 1235, 1495, 1703, 1729, 2093, 2185, 2489, 3013, 3059, 4585, 5681, 8515, 8645, 10465, 11921, 12445, 15065, 15295, 17423, 21091, 28405, 32357, 39169, 39767, 57247, 59605, 87115, 105455, 161785, 195845, 198835, 226499, 274183, 286235, 400729, 744211, 1132495, 1370915, 2003645, 3721055, 5209477, 26047385]

約数ペア:

[(1, 26047385), (5, 5209477), (7, 3721055), (13, 2003645), (19, 1370915), (23, 1132495), (35, 744211), (65, 400729), (91, 286235), (95, 274183), (115, 226499), (131, 198835), (133, 195845), (161, 161785), (247, 105455), (299, 87115), (437, 59605), (455, 57247), (655, 39767), (665, 39169), (805, 32357), (917, 28405), (1235, 21091), (1495, 17423), (1703, 15295), (1729, 15065), (2093, 12445), (2185, 11921), (2489, 10465), (3013, 8645), (3059, 8515), (4585, 5681)]