78290128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22549}}^1$

素因数の和:22595

約数の個数: 40

約数和(自身を含む): 178956800

約数和(自身を除く): 100666672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 22549, 45098, 90196, 157843, 180392, 315686, 360784, 631372, 699019, 1262744, 1398038, 2525488, 2796076, 4893133, 5592152, 9786266, 11184304, 19572532, 39145064, 78290128]

約数ペア:

[(1, 78290128), (2, 39145064), (4, 19572532), (7, 11184304), (8, 9786266), (14, 5592152), (16, 4893133), (28, 2796076), (31, 2525488), (56, 1398038), (62, 1262744), (112, 699019), (124, 631372), (217, 360784), (248, 315686), (434, 180392), (496, 157843), (868, 90196), (1736, 45098), (3472, 22549)]