26478865

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 39923712

約数和(自身を除く): 13444847

約数列:

[1, 5, 7, 23, 35, 37, 49, 115, 127, 161, 185, 245, 259, 635, 805, 851, 889, 1127, 1295, 1813, 2921, 4255, 4445, 4699, 5635, 5957, 6223, 9065, 14605, 20447, 23495, 29785, 31115, 32893, 41699, 102235, 108077, 143129, 164465, 208495, 230251, 540385, 715645, 756539, 1151255, 3782695, 5295773, 26478865]

約数ペア:

[(1, 26478865), (5, 5295773), (7, 3782695), (23, 1151255), (35, 756539), (37, 715645), (49, 540385), (115, 230251), (127, 208495), (161, 164465), (185, 143129), (245, 108077), (259, 102235), (635, 41699), (805, 32893), (851, 31115), (889, 29785), (1127, 23495), (1295, 20447), (1813, 14605), (2921, 9065), (4255, 6223), (4445, 5957), (4699, 5635)]