420199351

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 518192640

約数和(自身を除く): 97993289

約数列:

[1, 11, 13, 23, 143, 251, 253, 299, 509, 2761, 3263, 3289, 5599, 5773, 6617, 11707, 35893, 63503, 72787, 75049, 127759, 128777, 152191, 825539, 1405349, 1660867, 1674101, 2938457, 18269537, 32323027, 38199941, 420199351]

約数ペア:

[(1, 420199351), (11, 38199941), (13, 32323027), (23, 18269537), (143, 2938457), (251, 1674101), (253, 1660867), (299, 1405349), (509, 825539), (2761, 152191), (3263, 128777), (3289, 127759), (5599, 75049), (5773, 72787), (6617, 63503), (11707, 35893)]