321573512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 671884080

約数和(自身を除く): 350310568

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 193, 296, 386, 433, 481, 772, 866, 962, 1544, 1732, 1924, 2509, 3464, 3848, 5018, 5629, 7141, 10036, 11258, 14282, 16021, 20072, 22516, 28564, 32042, 45032, 57128, 64084, 83569, 92833, 128168, 167138, 185666, 208273, 334276, 371332, 416546, 668552, 742664, 833092, 1086397, 1666184, 2172794, 3092053, 4345588, 6184106, 8691176, 12368212, 24736424, 40196689, 80393378, 160786756, 321573512]

約数ペア:

[(1, 321573512), (2, 160786756), (4, 80393378), (8, 40196689), (13, 24736424), (26, 12368212), (37, 8691176), (52, 6184106), (74, 4345588), (104, 3092053), (148, 2172794), (193, 1666184), (296, 1086397), (386, 833092), (433, 742664), (481, 668552), (772, 416546), (866, 371332), (962, 334276), (1544, 208273), (1732, 185666), (1924, 167138), (2509, 128168), (3464, 92833), (3848, 83569), (5018, 64084), (5629, 57128), (7141, 45032), (10036, 32042), (11258, 28564), (14282, 22516), (16021, 20072)]