7780428

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 20519520

約数和(自身を除く): 12739092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1181, 1647, 2196, 2362, 3294, 3543, 4724, 6588, 7086, 10629, 14172, 21258, 31887, 42516, 63774, 72041, 127548, 144082, 216123, 288164, 432246, 648369, 864492, 1296738, 1945107, 2593476, 3890214, 7780428]

約数ペア:

[(1, 7780428), (2, 3890214), (3, 2593476), (4, 1945107), (6, 1296738), (9, 864492), (12, 648369), (18, 432246), (27, 288164), (36, 216123), (54, 144082), (61, 127548), (108, 72041), (122, 63774), (183, 42516), (244, 31887), (366, 21258), (549, 14172), (732, 10629), (1098, 7086), (1181, 6588), (1647, 4724), (2196, 3543), (2362, 3294)]