28821324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20183}}^1$

素因数の和:20214

約数の個数: 48

約数和(自身を含む): 81381888

約数和(自身を除く): 52560564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20183, 40366, 60549, 80732, 121098, 141281, 242196, 282562, 343111, 423843, 565124, 686222, 847686, 1029333, 1372444, 1695372, 2058666, 2401777, 4117332, 4803554, 7205331, 9607108, 14410662, 28821324]

約数ペア:

[(1, 28821324), (2, 14410662), (3, 9607108), (4, 7205331), (6, 4803554), (7, 4117332), (12, 2401777), (14, 2058666), (17, 1695372), (21, 1372444), (28, 1029333), (34, 847686), (42, 686222), (51, 565124), (68, 423843), (84, 343111), (102, 282562), (119, 242196), (204, 141281), (238, 121098), (357, 80732), (476, 60549), (714, 40366), (1428, 20183)]