168431380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2083}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 382322304

約数和(自身を除く): 213890924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 2083, 3110, 4043, 4166, 6220, 8086, 8332, 10415, 16172, 20215, 20830, 27079, 40430, 41660, 54158, 80860, 108316, 135395, 270790, 541580, 647813, 1295626, 2591252, 3239065, 6478130, 8421569, 12956260, 16843138, 33686276, 42107845, 84215690, 168431380]

約数ペア:

[(1, 168431380), (2, 84215690), (4, 42107845), (5, 33686276), (10, 16843138), (13, 12956260), (20, 8421569), (26, 6478130), (52, 3239065), (65, 2591252), (130, 1295626), (260, 647813), (311, 541580), (622, 270790), (1244, 135395), (1555, 108316), (2083, 80860), (3110, 54158), (4043, 41660), (4166, 40430), (6220, 27079), (8086, 20830), (8332, 20215), (10415, 16172)]