1255142343

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 2113413120

約数和(自身を除く): 858270777

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 223, 273, 371, 389, 669, 689, 1113, 1167, 1561, 2067, 2723, 2899, 4683, 4823, 5057, 8169, 8697, 11819, 14469, 15171, 20293, 20617, 35399, 35457, 60879, 61851, 82733, 86747, 106197, 144319, 153647, 248199, 260241, 268021, 432957, 460941, 607229, 804063, 1075529, 1127711, 1821687, 1876147, 3226587, 3383133, 4597591, 5628441, 7893977, 13792773, 23681931, 32183137, 59768683, 96549411, 179306049, 418380781, 1255142343]

約数ペア:

[(1, 1255142343), (3, 418380781), (7, 179306049), (13, 96549411), (21, 59768683), (39, 32183137), (53, 23681931), (91, 13792773), (159, 7893977), (223, 5628441), (273, 4597591), (371, 3383133), (389, 3226587), (669, 1876147), (689, 1821687), (1113, 1127711), (1167, 1075529), (1561, 804063), (2067, 607229), (2723, 460941), (2899, 432957), (4683, 268021), (4823, 260241), (5057, 248199), (8169, 153647), (8697, 144319), (11819, 106197), (14469, 86747), (15171, 82733), (20293, 61851), (20617, 60879), (35399, 35457)]