138538015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 223699968

約数和(自身を除く): 85161953

約数列:

[1, 5, 7, 11, 17, 35, 55, 61, 77, 85, 119, 187, 305, 347, 385, 427, 595, 671, 935, 1037, 1309, 1735, 2135, 2429, 3355, 3817, 4697, 5185, 5899, 6545, 7259, 11407, 12145, 19085, 21167, 23485, 26719, 29495, 36295, 41293, 57035, 64889, 79849, 105835, 133595, 148169, 206465, 232837, 324445, 359839, 399245, 454223, 740845, 1164185, 1629859, 1799195, 2271115, 2518873, 3958229, 8149295, 12594365, 19791145, 27707603, 138538015]

約数ペア:

[(1, 138538015), (5, 27707603), (7, 19791145), (11, 12594365), (17, 8149295), (35, 3958229), (55, 2518873), (61, 2271115), (77, 1799195), (85, 1629859), (119, 1164185), (187, 740845), (305, 454223), (347, 399245), (385, 359839), (427, 324445), (595, 232837), (671, 206465), (935, 148169), (1037, 133595), (1309, 105835), (1735, 79849), (2135, 64889), (2429, 57035), (3355, 41293), (3817, 36295), (4697, 29495), (5185, 26719), (5899, 23485), (6545, 21167), (7259, 19085), (11407, 12145)]