647508992

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:543

約数の個数: 88

約数和(自身を含む): 1408598016

約数和(自身を除く): 761089024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 383, 416, 508, 512, 766, 832, 1016, 1024, 1532, 1651, 1664, 2032, 3064, 3302, 3328, 4064, 4979, 6128, 6604, 6656, 8128, 9958, 12256, 13208, 13312, 16256, 19916, 24512, 26416, 32512, 39832, 48641, 49024, 52832, 65024, 79664, 97282, 98048, 105664, 130048, 159328, 194564, 196096, 211328, 318656, 389128, 392192, 422656, 632333, 637312, 778256, 845312, 1264666, 1274624, 1556512, 1690624, 2529332, 2549248, 3113024, 5058664, 5098496, 6226048, 10117328, 12452096, 20234656, 24904192, 40469312, 49808384, 80938624, 161877248, 323754496, 647508992]

約数ペア:

[(1, 647508992), (2, 323754496), (4, 161877248), (8, 80938624), (13, 49808384), (16, 40469312), (26, 24904192), (32, 20234656), (52, 12452096), (64, 10117328), (104, 6226048), (127, 5098496), (128, 5058664), (208, 3113024), (254, 2549248), (256, 2529332), (383, 1690624), (416, 1556512), (508, 1274624), (512, 1264666), (766, 845312), (832, 778256), (1016, 637312), (1024, 632333), (1532, 422656), (1651, 392192), (1664, 389128), (2032, 318656), (3064, 211328), (3302, 196096), (3328, 194564), (4064, 159328), (4979, 130048), (6128, 105664), (6604, 98048), (6656, 97282), (8128, 79664), (9958, 65024), (12256, 52832), (13208, 49024), (13312, 48641), (16256, 39832), (19916, 32512), (24512, 26416)]