28525518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 74680320

約数和(自身を除く): 46154802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 67, 93, 109, 126, 134, 186, 201, 217, 218, 279, 327, 402, 434, 469, 558, 603, 651, 654, 763, 938, 981, 1206, 1302, 1407, 1526, 1953, 1962, 2077, 2289, 2814, 3379, 3906, 4154, 4221, 4578, 6231, 6758, 6867, 7303, 8442, 10137, 12462, 13734, 14539, 14606, 18693, 20274, 21909, 23653, 29078, 30411, 37386, 43617, 43818, 47306, 51121, 60822, 65727, 70959, 87234, 102242, 130851, 131454, 141918, 153363, 212877, 226393, 261702, 306726, 425754, 452786, 460089, 679179, 920178, 1358358, 1584751, 2037537, 3169502, 4075074, 4754253, 9508506, 14262759, 28525518]

約数ペア:

[(1, 28525518), (2, 14262759), (3, 9508506), (6, 4754253), (7, 4075074), (9, 3169502), (14, 2037537), (18, 1584751), (21, 1358358), (31, 920178), (42, 679179), (62, 460089), (63, 452786), (67, 425754), (93, 306726), (109, 261702), (126, 226393), (134, 212877), (186, 153363), (201, 141918), (217, 131454), (218, 130851), (279, 102242), (327, 87234), (402, 70959), (434, 65727), (469, 60822), (558, 51121), (603, 47306), (651, 43818), (654, 43617), (763, 37386), (938, 30411), (981, 29078), (1206, 23653), (1302, 21909), (1407, 20274), (1526, 18693), (1953, 14606), (1962, 14539), (2077, 13734), (2289, 12462), (2814, 10137), (3379, 8442), (3906, 7303), (4154, 6867), (4221, 6758), (4578, 6231)]