1640676856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{77713}}^1$

素因数の和:77768

約数の個数: 64

約数和(自身を含む): 3916785600

約数和(自身を除く): 2276108744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 3016, 5278, 10556, 21112, 77713, 155426, 310852, 543991, 621704, 1010269, 1087982, 2020538, 2175964, 2253677, 4041076, 4351928, 4507354, 7071883, 8082152, 9014708, 14143766, 15775739, 18029416, 28287532, 29297801, 31551478, 56575064, 58595602, 63102956, 117191204, 126205912, 205084607, 234382408, 410169214, 820338428, 1640676856]

約数ペア:

[(1, 1640676856), (2, 820338428), (4, 410169214), (7, 234382408), (8, 205084607), (13, 126205912), (14, 117191204), (26, 63102956), (28, 58595602), (29, 56575064), (52, 31551478), (56, 29297801), (58, 28287532), (91, 18029416), (104, 15775739), (116, 14143766), (182, 9014708), (203, 8082152), (232, 7071883), (364, 4507354), (377, 4351928), (406, 4041076), (728, 2253677), (754, 2175964), (812, 2020538), (1508, 1087982), (1624, 1010269), (2639, 621704), (3016, 543991), (5278, 310852), (10556, 155426), (21112, 77713)]