489447804976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1\times {\mathrm{31237}}^1$

素因数の和:32390

約数の個数: 80

約数和(自身を含む): 1036644775488

約数和(自身を除く): 547196970512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1061, 1136, 1846, 2122, 3692, 4244, 7384, 8488, 13793, 14768, 16976, 27586, 31237, 55172, 62474, 75331, 110344, 124948, 150662, 220688, 249896, 301324, 406081, 499792, 602648, 812162, 979303, 1205296, 1624324, 1958606, 2217827, 3248648, 3917212, 4435654, 6497296, 7834424, 8871308, 15668848, 17742616, 28831751, 33142457, 35485232, 57663502, 66284914, 115327004, 132569828, 230654008, 265139656, 430851941, 461308016, 530279312, 861703882, 1723407764, 2353114447, 3446815528, 4706228894, 6893631056, 9412457788, 18824915576, 30590487811, 37649831152, 61180975622, 122361951244, 244723902488, 489447804976]

約数ペア:

[(1, 489447804976), (2, 244723902488), (4, 122361951244), (8, 61180975622), (13, 37649831152), (16, 30590487811), (26, 18824915576), (52, 9412457788), (71, 6893631056), (104, 4706228894), (142, 3446815528), (208, 2353114447), (284, 1723407764), (568, 861703882), (923, 530279312), (1061, 461308016), (1136, 430851941), (1846, 265139656), (2122, 230654008), (3692, 132569828), (4244, 115327004), (7384, 66284914), (8488, 57663502), (13793, 35485232), (14768, 33142457), (16976, 28831751), (27586, 17742616), (31237, 15668848), (55172, 8871308), (62474, 7834424), (75331, 6497296), (110344, 4435654), (124948, 3917212), (150662, 3248648), (220688, 2217827), (249896, 1958606), (301324, 1624324), (406081, 1205296), (499792, 979303), (602648, 812162)]