243993984

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 128

約数和(自身を含む): 717370080

約数和(自身を除く): 473376096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 64, 74, 78, 96, 104, 111, 128, 148, 156, 192, 208, 222, 296, 312, 384, 416, 444, 481, 592, 624, 832, 888, 962, 1184, 1248, 1321, 1443, 1664, 1776, 1924, 2368, 2496, 2642, 2886, 3552, 3848, 3963, 4736, 4992, 5284, 5772, 7104, 7696, 7926, 10568, 11544, 14208, 15392, 15852, 17173, 21136, 23088, 30784, 31704, 34346, 42272, 46176, 48877, 51519, 61568, 63408, 68692, 84544, 92352, 97754, 103038, 126816, 137384, 146631, 169088, 184704, 195508, 206076, 253632, 274768, 293262, 391016, 412152, 507264, 549536, 586524, 635401, 782032, 824304, 1099072, 1173048, 1270802, 1564064, 1648608, 1906203, 2198144, 2346096, 2541604, 3128128, 3297216, 3812406, 4692192, 5083208, 6256256, 6594432, 7624812, 9384384, 10166416, 15249624, 18768768, 20332832, 30499248, 40665664, 60998496, 81331328, 121996992, 243993984]

約数ペア:

[(1, 243993984), (2, 121996992), (3, 81331328), (4, 60998496), (6, 40665664), (8, 30499248), (12, 20332832), (13, 18768768), (16, 15249624), (24, 10166416), (26, 9384384), (32, 7624812), (37, 6594432), (39, 6256256), (48, 5083208), (52, 4692192), (64, 3812406), (74, 3297216), (78, 3128128), (96, 2541604), (104, 2346096), (111, 2198144), (128, 1906203), (148, 1648608), (156, 1564064), (192, 1270802), (208, 1173048), (222, 1099072), (296, 824304), (312, 782032), (384, 635401), (416, 586524), (444, 549536), (481, 507264), (592, 412152), (624, 391016), (832, 293262), (888, 274768), (962, 253632), (1184, 206076), (1248, 195508), (1321, 184704), (1443, 169088), (1664, 146631), (1776, 137384), (1924, 126816), (2368, 103038), (2496, 97754), (2642, 92352), (2886, 84544), (3552, 68692), (3848, 63408), (3963, 61568), (4736, 51519), (4992, 48877), (5284, 46176), (5772, 42272), (7104, 34346), (7696, 31704), (7926, 30784), (10568, 23088), (11544, 21136), (14208, 17173), (15392, 15852)]