7221816

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 24008400

約数和(自身を除く): 16786584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 89, 92, 98, 126, 138, 147, 161, 168, 178, 184, 196, 207, 252, 267, 276, 294, 322, 356, 392, 414, 441, 483, 504, 534, 552, 588, 623, 644, 712, 801, 828, 882, 966, 1068, 1127, 1176, 1246, 1288, 1449, 1602, 1656, 1764, 1869, 1932, 2047, 2136, 2254, 2492, 2898, 3204, 3381, 3528, 3738, 3864, 4094, 4361, 4508, 4984, 5607, 5796, 6141, 6408, 6762, 7476, 8188, 8722, 9016, 10143, 11214, 11592, 12282, 13083, 13524, 14329, 14952, 16376, 17444, 18423, 20286, 22428, 24564, 26166, 27048, 28658, 34888, 36846, 39249, 40572, 42987, 44856, 49128, 52332, 57316, 73692, 78498, 81144, 85974, 100303, 104664, 114632, 128961, 147384, 156996, 171948, 200606, 257922, 300909, 313992, 343896, 401212, 515844, 601818, 802424, 902727, 1031688, 1203636, 1805454, 2407272, 3610908, 7221816]

約数ペア:

[(1, 7221816), (2, 3610908), (3, 2407272), (4, 1805454), (6, 1203636), (7, 1031688), (8, 902727), (9, 802424), (12, 601818), (14, 515844), (18, 401212), (21, 343896), (23, 313992), (24, 300909), (28, 257922), (36, 200606), (42, 171948), (46, 156996), (49, 147384), (56, 128961), (63, 114632), (69, 104664), (72, 100303), (84, 85974), (89, 81144), (92, 78498), (98, 73692), (126, 57316), (138, 52332), (147, 49128), (161, 44856), (168, 42987), (178, 40572), (184, 39249), (196, 36846), (207, 34888), (252, 28658), (267, 27048), (276, 26166), (294, 24564), (322, 22428), (356, 20286), (392, 18423), (414, 17444), (441, 16376), (483, 14952), (504, 14329), (534, 13524), (552, 13083), (588, 12282), (623, 11592), (644, 11214), (712, 10143), (801, 9016), (828, 8722), (882, 8188), (966, 7476), (1068, 6762), (1127, 6408), (1176, 6141), (1246, 5796), (1288, 5607), (1449, 4984), (1602, 4508), (1656, 4361), (1764, 4094), (1869, 3864), (1932, 3738), (2047, 3528), (2136, 3381), (2254, 3204), (2492, 2898)]