72505816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{809}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 144342000

約数和(自身を除く): 71836184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 659, 809, 1318, 1618, 2636, 3236, 5272, 6472, 11203, 13753, 22406, 27506, 44812, 55012, 89624, 110024, 533131, 1066262, 2132524, 4265048, 9063227, 18126454, 36252908, 72505816]

約数ペア:

[(1, 72505816), (2, 36252908), (4, 18126454), (8, 9063227), (17, 4265048), (34, 2132524), (68, 1066262), (136, 533131), (659, 110024), (809, 89624), (1318, 55012), (1618, 44812), (2636, 27506), (3236, 22406), (5272, 13753), (6472, 11203)]