28398978

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37403262

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 101, 123, 127, 202, 246, 254, 303, 369, 381, 606, 738, 762, 909, 1107, 1143, 1818, 2214, 2286, 2727, 3429, 4141, 5207, 5454, 6858, 8282, 10414, 12423, 12827, 15621, 24846, 25654, 31242, 37269, 38481, 46863, 74538, 76962, 93726, 111807, 115443, 140589, 223614, 230886, 281178, 346329, 525907, 692658, 1051814, 1577721, 3155442, 4733163, 9466326, 14199489, 28398978]

約数ペア:

[(1, 28398978), (2, 14199489), (3, 9466326), (6, 4733163), (9, 3155442), (18, 1577721), (27, 1051814), (41, 692658), (54, 525907), (82, 346329), (101, 281178), (123, 230886), (127, 223614), (202, 140589), (246, 115443), (254, 111807), (303, 93726), (369, 76962), (381, 74538), (606, 46863), (738, 38481), (762, 37269), (909, 31242), (1107, 25654), (1143, 24846), (1818, 15621), (2214, 12827), (2286, 12423), (2727, 10414), (3429, 8282), (4141, 6858), (5207, 5454)]