25788308

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 58653000

約数和(自身を除く): 32864692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 349, 364, 377, 406, 637, 698, 754, 812, 1274, 1396, 1421, 1508, 2443, 2548, 2639, 2842, 4537, 4886, 5278, 5684, 9074, 9772, 10121, 10556, 17101, 18148, 18473, 20242, 31759, 34202, 36946, 40484, 63518, 68404, 70847, 73892, 127036, 131573, 141694, 222313, 263146, 283388, 444626, 495929, 526292, 889252, 921011, 991858, 1842022, 1983716, 3684044, 6447077, 12894154, 25788308]

約数ペア:

[(1, 25788308), (2, 12894154), (4, 6447077), (7, 3684044), (13, 1983716), (14, 1842022), (26, 991858), (28, 921011), (29, 889252), (49, 526292), (52, 495929), (58, 444626), (91, 283388), (98, 263146), (116, 222313), (182, 141694), (196, 131573), (203, 127036), (349, 73892), (364, 70847), (377, 68404), (406, 63518), (637, 40484), (698, 36946), (754, 34202), (812, 31759), (1274, 20242), (1396, 18473), (1421, 18148), (1508, 17101), (2443, 10556), (2548, 10121), (2639, 9772), (2842, 9074), (4537, 5684), (4886, 5278)]