668899010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{125497}}^1$

素因数の和:125558

約数の個数: 32

約数和(自身を含む): 1328270832

約数和(自身を除く): 659371822

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 125497, 250994, 627485, 1254970, 1631461, 3262922, 5145377, 8157305, 10290754, 16314610, 25726885, 51453770, 66889901, 133779802, 334449505, 668899010]

約数ペア:

[(1, 668899010), (2, 334449505), (5, 133779802), (10, 66889901), (13, 51453770), (26, 25726885), (41, 16314610), (65, 10290754), (82, 8157305), (130, 5145377), (205, 3262922), (410, 1631461), (533, 1254970), (1066, 627485), (2665, 250994), (5330, 125497)]