28136388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 77246400

約数和(自身を除く): 49110012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 439, 588, 654, 763, 878, 1308, 1317, 1526, 1756, 2289, 2634, 3052, 3073, 4578, 5268, 5341, 6146, 9156, 9219, 10682, 12292, 16023, 18438, 21364, 21511, 32046, 36876, 43022, 47851, 64092, 64533, 86044, 95702, 129066, 143553, 191404, 258132, 287106, 334957, 574212, 669914, 1004871, 1339828, 2009742, 2344699, 4019484, 4689398, 7034097, 9378796, 14068194, 28136388]

約数ペア:

[(1, 28136388), (2, 14068194), (3, 9378796), (4, 7034097), (6, 4689398), (7, 4019484), (12, 2344699), (14, 2009742), (21, 1339828), (28, 1004871), (42, 669914), (49, 574212), (84, 334957), (98, 287106), (109, 258132), (147, 191404), (196, 143553), (218, 129066), (294, 95702), (327, 86044), (436, 64533), (439, 64092), (588, 47851), (654, 43022), (763, 36876), (878, 32046), (1308, 21511), (1317, 21364), (1526, 18438), (1756, 16023), (2289, 12292), (2634, 10682), (3052, 9219), (3073, 9156), (4578, 6146), (5268, 5341)]