16656172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 16154228

約数列:

[1, 2, 4, 13, 26, 52, 59, 61, 89, 118, 122, 178, 236, 244, 356, 767, 793, 1157, 1534, 1586, 2314, 3068, 3172, 3599, 4628, 5251, 5429, 7198, 10502, 10858, 14396, 21004, 21716, 46787, 68263, 70577, 93574, 136526, 141154, 187148, 273052, 282308, 320311, 640622, 1281244, 4164043, 8328086, 16656172]

約数ペア:

[(1, 16656172), (2, 8328086), (4, 4164043), (13, 1281244), (26, 640622), (52, 320311), (59, 282308), (61, 273052), (89, 187148), (118, 141154), (122, 136526), (178, 93574), (236, 70577), (244, 68263), (356, 46787), (767, 21716), (793, 21004), (1157, 14396), (1534, 10858), (1586, 10502), (2314, 7198), (3068, 5429), (3172, 5251), (3599, 4628)]