91437910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2153}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 171217152

約数和(自身を除く): 79779242

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 2153, 4247, 4306, 8494, 10765, 21235, 21530, 42470, 66743, 133486, 294961, 333715, 589922, 667430, 1474805, 2949610, 9143791, 18287582, 45718955, 91437910]

約数ペア:

[(1, 91437910), (2, 45718955), (5, 18287582), (10, 9143791), (31, 2949610), (62, 1474805), (137, 667430), (155, 589922), (274, 333715), (310, 294961), (685, 133486), (1370, 66743), (2153, 42470), (4247, 21530), (4306, 21235), (8494, 10765)]