128373518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3163}}^1$

素因数の和:3408

約数の個数: 32

約数和(自身を含む): 238135296

約数和(自身を除く): 109761778

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 223, 446, 1561, 2899, 3122, 3163, 5798, 6326, 20293, 22141, 40586, 41119, 44282, 82238, 287833, 575666, 705349, 1410698, 4937443, 9169537, 9874886, 18339074, 64186759, 128373518]

約数ペア:

[(1, 128373518), (2, 64186759), (7, 18339074), (13, 9874886), (14, 9169537), (26, 4937443), (91, 1410698), (182, 705349), (223, 575666), (446, 287833), (1561, 82238), (2899, 44282), (3122, 41119), (3163, 40586), (5798, 22141), (6326, 20293)]