391530490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{51047}}^1$

素因数の和:51126

約数の個数: 32

約数和(自身を含む): 771845760

約数和(自身を除く): 380315270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 7670, 51047, 102094, 255235, 510470, 663611, 1327222, 3011773, 3318055, 6023546, 6636110, 15058865, 30117730, 39153049, 78306098, 195765245, 391530490]

約数ペア:

[(1, 391530490), (2, 195765245), (5, 78306098), (10, 39153049), (13, 30117730), (26, 15058865), (59, 6636110), (65, 6023546), (118, 3318055), (130, 3011773), (295, 1327222), (590, 663611), (767, 510470), (1534, 255235), (3835, 102094), (7670, 51047)]