74257690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19697}}^1$

素因数の和:19746

約数の個数: 32

約数和(自身を含む): 148916880

約数和(自身を除く): 74659190

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 19697, 39394, 98485, 196970, 256061, 512122, 571213, 1142426, 1280305, 2560610, 2856065, 5712130, 7425769, 14851538, 37128845, 74257690]

約数ペア:

[(1, 74257690), (2, 37128845), (5, 14851538), (10, 7425769), (13, 5712130), (26, 2856065), (29, 2560610), (58, 1280305), (65, 1142426), (130, 571213), (145, 512122), (290, 256061), (377, 196970), (754, 98485), (1885, 39394), (3770, 19697)]