1640384616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{30391}}^1$

素因数の和:30586

約数の個数: 64

約数和(自身を含む): 4442094720

約数和(自身を除く): 2801710104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 519, 692, 1038, 1384, 2076, 2249, 4152, 4498, 6747, 8996, 13494, 17992, 26988, 30391, 53976, 60782, 91173, 121564, 182346, 243128, 364692, 395083, 729384, 790166, 1185249, 1580332, 2370498, 3160664, 4740996, 5257643, 9481992, 10515286, 15772929, 21030572, 31545858, 42061144, 63091716, 68349359, 126183432, 136698718, 205048077, 273397436, 410096154, 546794872, 820192308, 1640384616]

約数ペア:

[(1, 1640384616), (2, 820192308), (3, 546794872), (4, 410096154), (6, 273397436), (8, 205048077), (12, 136698718), (13, 126183432), (24, 68349359), (26, 63091716), (39, 42061144), (52, 31545858), (78, 21030572), (104, 15772929), (156, 10515286), (173, 9481992), (312, 5257643), (346, 4740996), (519, 3160664), (692, 2370498), (1038, 1580332), (1384, 1185249), (2076, 790166), (2249, 729384), (4152, 395083), (4498, 364692), (6747, 243128), (8996, 182346), (13494, 121564), (17992, 91173), (26988, 60782), (30391, 53976)]