28688604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1429}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 76876800

約数和(自身を除く): 48188196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1429, 1434, 1673, 2858, 2868, 3346, 4287, 5019, 5716, 6692, 8574, 10003, 10038, 17148, 20006, 20076, 30009, 40012, 60018, 120036, 341531, 683062, 1024593, 1366124, 2049186, 2390717, 4098372, 4781434, 7172151, 9562868, 14344302, 28688604]

約数ペア:

[(1, 28688604), (2, 14344302), (3, 9562868), (4, 7172151), (6, 4781434), (7, 4098372), (12, 2390717), (14, 2049186), (21, 1366124), (28, 1024593), (42, 683062), (84, 341531), (239, 120036), (478, 60018), (717, 40012), (956, 30009), (1429, 20076), (1434, 20006), (1673, 17148), (2858, 10038), (2868, 10003), (3346, 8574), (4287, 6692), (5019, 5716)]