385420984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{55313}}^1$

素因数の和:55399

約数の個数: 32

約数和(自身を含む): 789883920

約数和(自身を除く): 404462936

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 55313, 110626, 221252, 442504, 719069, 1438138, 2876276, 3705971, 5752552, 7411942, 14823884, 29647768, 48177623, 96355246, 192710492, 385420984]

約数ペア:

[(1, 385420984), (2, 192710492), (4, 96355246), (8, 48177623), (13, 29647768), (26, 14823884), (52, 7411942), (67, 5752552), (104, 3705971), (134, 2876276), (268, 1438138), (536, 719069), (871, 442504), (1742, 221252), (3484, 110626), (6968, 55313)]