691852016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{6521}}^1$

素因数の和:6897

約数の個数: 40

約数和(自身を含む): 1415274000

約数和(自身を除く): 723421984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 349, 698, 1396, 2792, 5584, 6521, 6631, 13042, 13262, 26084, 26524, 52168, 53048, 104336, 106096, 123899, 247798, 495596, 991192, 1982384, 2275829, 4551658, 9103316, 18206632, 36413264, 43240751, 86481502, 172963004, 345926008, 691852016]

約数ペア:

[(1, 691852016), (2, 345926008), (4, 172963004), (8, 86481502), (16, 43240751), (19, 36413264), (38, 18206632), (76, 9103316), (152, 4551658), (304, 2275829), (349, 1982384), (698, 991192), (1396, 495596), (2792, 247798), (5584, 123899), (6521, 106096), (6631, 104336), (13042, 53048), (13262, 52168), (26084, 26524)]