90878608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4343

約数の個数: 40

約数和(自身を含む): 186027776

約数和(自身を除く): 95149168

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 4261, 5332, 8522, 10664, 17044, 21328, 34088, 68176, 132091, 183223, 264182, 366446, 528364, 732892, 1056728, 1465784, 2113456, 2931568, 5679913, 11359826, 22719652, 45439304, 90878608]

約数ペア:

[(1, 90878608), (2, 45439304), (4, 22719652), (8, 11359826), (16, 5679913), (31, 2931568), (43, 2113456), (62, 1465784), (86, 1056728), (124, 732892), (172, 528364), (248, 366446), (344, 264182), (496, 183223), (688, 132091), (1333, 68176), (2666, 34088), (4261, 21328), (5332, 17044), (8522, 10664)]