221475904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 84

約数和(自身を含む): 490824012

約数和(自身を除く): 269348108

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 277, 403, 416, 496, 554, 806, 832, 961, 992, 1108, 1612, 1922, 1984, 2216, 3224, 3601, 3844, 4432, 6448, 7202, 7688, 8587, 8864, 12493, 12896, 14404, 15376, 17174, 17728, 24986, 25792, 28808, 30752, 34348, 49972, 57616, 61504, 68696, 99944, 111631, 115232, 137392, 199888, 223262, 230464, 266197, 274784, 399776, 446524, 532394, 549568, 799552, 893048, 1064788, 1786096, 2129576, 3460561, 3572192, 4259152, 6921122, 7144384, 8518304, 13842244, 17036608, 27684488, 55368976, 110737952, 221475904]

約数ペア:

[(1, 221475904), (2, 110737952), (4, 55368976), (8, 27684488), (13, 17036608), (16, 13842244), (26, 8518304), (31, 7144384), (32, 6921122), (52, 4259152), (62, 3572192), (64, 3460561), (104, 2129576), (124, 1786096), (208, 1064788), (248, 893048), (277, 799552), (403, 549568), (416, 532394), (496, 446524), (554, 399776), (806, 274784), (832, 266197), (961, 230464), (992, 223262), (1108, 199888), (1612, 137392), (1922, 115232), (1984, 111631), (2216, 99944), (3224, 68696), (3601, 61504), (3844, 57616), (4432, 49972), (6448, 34348), (7202, 30752), (7688, 28808), (8587, 25792), (8864, 24986), (12493, 17728), (12896, 17174), (14404, 15376)]