638513808

素因数分解:

$2^4\times 3^1\times {\mathrm{277}}^1\times {\mathrm{48023}}^1$

素因数の和:48311

約数の個数: 40

約数和(自身を含む): 1655483328

約数和(自身を除く): 1016969520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 277, 554, 831, 1108, 1662, 2216, 3324, 4432, 6648, 13296, 48023, 96046, 144069, 192092, 288138, 384184, 576276, 768368, 1152552, 2305104, 13302371, 26604742, 39907113, 53209484, 79814226, 106418968, 159628452, 212837936, 319256904, 638513808]

約数ペア:

[(1, 638513808), (2, 319256904), (3, 212837936), (4, 159628452), (6, 106418968), (8, 79814226), (12, 53209484), (16, 39907113), (24, 26604742), (48, 13302371), (277, 2305104), (554, 1152552), (831, 768368), (1108, 576276), (1662, 384184), (2216, 288138), (3324, 192092), (4432, 144069), (6648, 96046), (13296, 48023)]