1397038775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 1981612752

約数和(自身を除く): 584573977

約数列:

[1, 5, 11, 25, 55, 61, 67, 113, 121, 275, 305, 335, 565, 605, 671, 737, 1243, 1525, 1675, 2825, 3025, 3355, 3685, 4087, 6215, 6893, 7381, 7571, 8107, 13673, 16775, 18425, 20435, 31075, 34465, 36905, 37855, 40535, 44957, 68365, 75823, 83281, 102175, 172325, 184525, 189275, 202675, 224785, 341825, 379115, 416405, 461831, 494527, 834053, 916091, 1123925, 1895575, 2082025, 2309155, 2472635, 4170265, 4580455, 5080141, 11545775, 12363175, 20851325, 22902275, 25400705, 55881551, 127003525, 279407755, 1397038775]

約数ペア:

[(1, 1397038775), (5, 279407755), (11, 127003525), (25, 55881551), (55, 25400705), (61, 22902275), (67, 20851325), (113, 12363175), (121, 11545775), (275, 5080141), (305, 4580455), (335, 4170265), (565, 2472635), (605, 2309155), (671, 2082025), (737, 1895575), (1243, 1123925), (1525, 916091), (1675, 834053), (2825, 494527), (3025, 461831), (3355, 416405), (3685, 379115), (4087, 341825), (6215, 224785), (6893, 202675), (7381, 189275), (7571, 184525), (8107, 172325), (13673, 102175), (16775, 83281), (18425, 75823), (20435, 68365), (31075, 44957), (34465, 40535), (36905, 37855)]