40405958

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 64862208

約数和(自身を除く): 24456250

約数列:

[1, 2, 31, 62, 67, 71, 134, 137, 142, 274, 2077, 2201, 4154, 4247, 4402, 4757, 8494, 9179, 9514, 9727, 18358, 19454, 147467, 284549, 294934, 301537, 569098, 603074, 651709, 1303418, 20202979, 40405958]

約数ペア:

[(1, 40405958), (2, 20202979), (31, 1303418), (62, 651709), (67, 603074), (71, 569098), (134, 301537), (137, 294934), (142, 284549), (274, 147467), (2077, 19454), (2201, 18358), (4154, 9727), (4247, 9514), (4402, 9179), (4757, 8494)]