72720688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{122839}}^1$

素因数の和:122884

約数の個数: 20

約数和(自身を含む): 144705520

約数和(自身を除く): 71984832

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 122839, 245678, 491356, 982712, 1965424, 4545043, 9090086, 18180172, 36360344, 72720688]

約数ペア:

[(1, 72720688), (2, 36360344), (4, 18180172), (8, 9090086), (16, 4545043), (37, 1965424), (74, 982712), (148, 491356), (296, 245678), (592, 122839)]