380097968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{20857}}^1$

素因数の和:20949

約数の個数: 40

約数和(自身を含む): 791435952

約数和(自身を除く): 411337984

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 9112, 18224, 20857, 41714, 83428, 166856, 333712, 354569, 709138, 1397419, 1418276, 2794838, 2836552, 5589676, 5673104, 11179352, 22358704, 23756123, 47512246, 95024492, 190048984, 380097968]

約数ペア:

[(1, 380097968), (2, 190048984), (4, 95024492), (8, 47512246), (16, 23756123), (17, 22358704), (34, 11179352), (67, 5673104), (68, 5589676), (134, 2836552), (136, 2794838), (268, 1418276), (272, 1397419), (536, 709138), (1072, 354569), (1139, 333712), (2278, 166856), (4556, 83428), (9112, 41714), (18224, 20857)]