31222016

素因数分解:

$2^8\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 76895280

約数和(自身を除く): 45673264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 131, 133, 152, 196, 224, 256, 262, 266, 304, 392, 448, 524, 532, 608, 784, 896, 917, 931, 1048, 1064, 1216, 1568, 1792, 1834, 1862, 2096, 2128, 2432, 2489, 3136, 3668, 3724, 4192, 4256, 4864, 4978, 6272, 6419, 7336, 7448, 8384, 8512, 9956, 12544, 12838, 14672, 14896, 16768, 17024, 17423, 19912, 25676, 29344, 29792, 33536, 34048, 34846, 39824, 51352, 58688, 59584, 69692, 79648, 102704, 117376, 119168, 121961, 139384, 159296, 205408, 234752, 238336, 243922, 278768, 318592, 410816, 487844, 557536, 637184, 821632, 975688, 1115072, 1643264, 1951376, 2230144, 3902752, 4460288, 7805504, 15611008, 31222016]

約数ペア:

[(1, 31222016), (2, 15611008), (4, 7805504), (7, 4460288), (8, 3902752), (14, 2230144), (16, 1951376), (19, 1643264), (28, 1115072), (32, 975688), (38, 821632), (49, 637184), (56, 557536), (64, 487844), (76, 410816), (98, 318592), (112, 278768), (128, 243922), (131, 238336), (133, 234752), (152, 205408), (196, 159296), (224, 139384), (256, 121961), (262, 119168), (266, 117376), (304, 102704), (392, 79648), (448, 69692), (524, 59584), (532, 58688), (608, 51352), (784, 39824), (896, 34846), (917, 34048), (931, 33536), (1048, 29792), (1064, 29344), (1216, 25676), (1568, 19912), (1792, 17423), (1834, 17024), (1862, 16768), (2096, 14896), (2128, 14672), (2432, 12838), (2489, 12544), (3136, 9956), (3668, 8512), (3724, 8384), (4192, 7448), (4256, 7336), (4864, 6419), (4978, 6272)]