1257724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 2538984

約数和(自身を除く): 1281260

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 361, 494, 722, 871, 988, 1273, 1444, 1742, 2546, 3484, 4693, 5092, 9386, 16549, 18772, 24187, 33098, 48374, 66196, 96748, 314431, 628862, 1257724]

約数ペア:

[(1, 1257724), (2, 628862), (4, 314431), (13, 96748), (19, 66196), (26, 48374), (38, 33098), (52, 24187), (67, 18772), (76, 16549), (134, 9386), (247, 5092), (268, 4693), (361, 3484), (494, 2546), (722, 1742), (871, 1444), (988, 1273)]