71311928

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5039}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 140616000

約数和(自身を除く): 69304072

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1769, 3538, 5039, 7076, 10078, 14152, 20156, 40312, 146131, 292262, 307379, 584524, 614758, 1169048, 1229516, 2459032, 8913991, 17827982, 35655964, 71311928]

約数ペア:

[(1, 71311928), (2, 35655964), (4, 17827982), (8, 8913991), (29, 2459032), (58, 1229516), (61, 1169048), (116, 614758), (122, 584524), (232, 307379), (244, 292262), (488, 146131), (1769, 40312), (3538, 20156), (5039, 14152), (7076, 10078)]