221330256

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:841

約数の個数: 120

約数和(自身を含む): 670894560

約数和(自身を除く): 449564304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 139, 147, 168, 196, 278, 294, 336, 392, 417, 556, 588, 677, 784, 834, 973, 1112, 1176, 1354, 1668, 1946, 2031, 2224, 2352, 2708, 2919, 3336, 3892, 4062, 4739, 5416, 5838, 6672, 6811, 7784, 8124, 9478, 10832, 11676, 13622, 14217, 15568, 16248, 18956, 20433, 23352, 27244, 28434, 32496, 33173, 37912, 40866, 46704, 54488, 56868, 66346, 75824, 81732, 94103, 99519, 108976, 113736, 132692, 163464, 188206, 199038, 227472, 265384, 282309, 326928, 376412, 398076, 530768, 564618, 658721, 752824, 796152, 1129236, 1317442, 1505648, 1592304, 1976163, 2258472, 2634884, 3952326, 4516944, 4611047, 5269768, 7904652, 9222094, 10539536, 13833141, 15809304, 18444188, 27666282, 31618608, 36888376, 55332564, 73776752, 110665128, 221330256]

約数ペア:

[(1, 221330256), (2, 110665128), (3, 73776752), (4, 55332564), (6, 36888376), (7, 31618608), (8, 27666282), (12, 18444188), (14, 15809304), (16, 13833141), (21, 10539536), (24, 9222094), (28, 7904652), (42, 5269768), (48, 4611047), (49, 4516944), (56, 3952326), (84, 2634884), (98, 2258472), (112, 1976163), (139, 1592304), (147, 1505648), (168, 1317442), (196, 1129236), (278, 796152), (294, 752824), (336, 658721), (392, 564618), (417, 530768), (556, 398076), (588, 376412), (677, 326928), (784, 282309), (834, 265384), (973, 227472), (1112, 199038), (1176, 188206), (1354, 163464), (1668, 132692), (1946, 113736), (2031, 108976), (2224, 99519), (2352, 94103), (2708, 81732), (2919, 75824), (3336, 66346), (3892, 56868), (4062, 54488), (4739, 46704), (5416, 40866), (5838, 37912), (6672, 33173), (6811, 32496), (7784, 28434), (8124, 27244), (9478, 23352), (10832, 20433), (11676, 18956), (13622, 16248), (14217, 15568)]