28791042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 70118400

約数和(自身を除く): 41327358

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 109, 114, 133, 218, 266, 327, 331, 399, 654, 662, 763, 798, 993, 1526, 1986, 2071, 2289, 2317, 4142, 4578, 4634, 6213, 6289, 6951, 12426, 12578, 13902, 14497, 18867, 28994, 36079, 37734, 43491, 44023, 72158, 86982, 88046, 108237, 132069, 216474, 252553, 264138, 505106, 685501, 757659, 1371002, 1515318, 2056503, 4113006, 4798507, 9597014, 14395521, 28791042]

約数ペア:

[(1, 28791042), (2, 14395521), (3, 9597014), (6, 4798507), (7, 4113006), (14, 2056503), (19, 1515318), (21, 1371002), (38, 757659), (42, 685501), (57, 505106), (109, 264138), (114, 252553), (133, 216474), (218, 132069), (266, 108237), (327, 88046), (331, 86982), (399, 72158), (654, 44023), (662, 43491), (763, 37734), (798, 36079), (993, 28994), (1526, 18867), (1986, 14497), (2071, 13902), (2289, 12578), (2317, 12426), (4142, 6951), (4578, 6289), (4634, 6213)]