1291670008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{144031}}^1$

素因数の和:144115

約数の個数: 32

約数和(自身を含む): 2592576000

約数和(自身を除く): 1300905992

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 4484, 8968, 144031, 288062, 576124, 1152248, 2736589, 5473178, 8497829, 10946356, 16995658, 21892712, 33991316, 67982632, 161458751, 322917502, 645835004, 1291670008]

約数ペア:

[(1, 1291670008), (2, 645835004), (4, 322917502), (8, 161458751), (19, 67982632), (38, 33991316), (59, 21892712), (76, 16995658), (118, 10946356), (152, 8497829), (236, 5473178), (472, 2736589), (1121, 1152248), (2242, 576124), (4484, 288062), (8968, 144031)]