42905572

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 36

約数和(自身を含む): 81204816

約数和(自身を除く): 38299244

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 361, 691, 722, 817, 1382, 1444, 1634, 2764, 3268, 13129, 15523, 26258, 29713, 31046, 52516, 59426, 62092, 118852, 249451, 498902, 564547, 997804, 1129094, 2258188, 10726393, 21452786, 42905572]

約数ペア:

[(1, 42905572), (2, 21452786), (4, 10726393), (19, 2258188), (38, 1129094), (43, 997804), (76, 564547), (86, 498902), (172, 249451), (361, 118852), (691, 62092), (722, 59426), (817, 52516), (1382, 31046), (1444, 29713), (1634, 26258), (2764, 15523), (3268, 13129)]