1681372212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{15643}}^1$

素因数の和:15729

約数の個数: 72

約数和(自身を含む): 4328632224

約数和(自身を除く): 2647260012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 169, 212, 318, 338, 507, 636, 676, 689, 1014, 1378, 2028, 2067, 2756, 4134, 8268, 8957, 15643, 17914, 26871, 31286, 35828, 46929, 53742, 62572, 93858, 107484, 187716, 203359, 406718, 610077, 813436, 829079, 1220154, 1658158, 2440308, 2487237, 2643667, 3316316, 4974474, 5287334, 7931001, 9948948, 10574668, 10778027, 15862002, 21556054, 31724004, 32334081, 43112108, 64668162, 129336324, 140114351, 280228702, 420343053, 560457404, 840686106, 1681372212]

約数ペア:

[(1, 1681372212), (2, 840686106), (3, 560457404), (4, 420343053), (6, 280228702), (12, 140114351), (13, 129336324), (26, 64668162), (39, 43112108), (52, 32334081), (53, 31724004), (78, 21556054), (106, 15862002), (156, 10778027), (159, 10574668), (169, 9948948), (212, 7931001), (318, 5287334), (338, 4974474), (507, 3316316), (636, 2643667), (676, 2487237), (689, 2440308), (1014, 1658158), (1378, 1220154), (2028, 829079), (2067, 813436), (2756, 610077), (4134, 406718), (8268, 203359), (8957, 187716), (15643, 107484), (17914, 93858), (26871, 62572), (31286, 53742), (35828, 46929)]