393291278

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 620966208

約数和(自身を除く): 227674930

約数列:

[1, 2, 37, 61, 74, 122, 151, 302, 577, 1154, 2257, 4514, 5587, 9211, 11174, 18422, 21349, 35197, 42698, 70394, 87127, 174254, 340807, 681614, 1302289, 2604578, 3223699, 5314747, 6447398, 10629494, 196645639, 393291278]

約数ペア:

[(1, 393291278), (2, 196645639), (37, 10629494), (61, 6447398), (74, 5314747), (122, 3223699), (151, 2604578), (302, 1302289), (577, 681614), (1154, 340807), (2257, 174254), (4514, 87127), (5587, 70394), (9211, 42698), (11174, 35197), (18422, 21349)]