338321812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 633870720

約数和(自身を除く): 295548908

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 157, 236, 314, 397, 628, 794, 1357, 1588, 2714, 3611, 5428, 7222, 9131, 9263, 14444, 18262, 18526, 23423, 36524, 37052, 46846, 62329, 93692, 124658, 213049, 249316, 426098, 538729, 852196, 1077458, 1433567, 2154916, 2867134, 3677411, 5734268, 7354822, 14709644, 84580453, 169160906, 338321812]

約数ペア:

[(1, 338321812), (2, 169160906), (4, 84580453), (23, 14709644), (46, 7354822), (59, 5734268), (92, 3677411), (118, 2867134), (157, 2154916), (236, 1433567), (314, 1077458), (397, 852196), (628, 538729), (794, 426098), (1357, 249316), (1588, 213049), (2714, 124658), (3611, 93692), (5428, 62329), (7222, 46846), (9131, 37052), (9263, 36524), (14444, 23423), (18262, 18526)]