257920496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1571}}^1$

素因数の和:1941

約数の個数: 40

約数和(自身を含む): 517728768

約数和(自身を除く): 259808272

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 331, 496, 662, 1324, 1571, 2648, 3142, 5296, 6284, 10261, 12568, 20522, 25136, 41044, 48701, 82088, 97402, 164176, 194804, 389608, 520001, 779216, 1040002, 2080004, 4160008, 8320016, 16120031, 32240062, 64480124, 128960248, 257920496]

約数ペア:

[(1, 257920496), (2, 128960248), (4, 64480124), (8, 32240062), (16, 16120031), (31, 8320016), (62, 4160008), (124, 2080004), (248, 1040002), (331, 779216), (496, 520001), (662, 389608), (1324, 194804), (1571, 164176), (2648, 97402), (3142, 82088), (5296, 48701), (6284, 41044), (10261, 25136), (12568, 20522)]