31530128

素因数分解:

$2^4\times 7^2\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 60

約数和(自身を含む): 71839152

約数和(自身を除く): 40309024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 131, 196, 262, 307, 392, 524, 614, 784, 917, 1048, 1228, 1834, 2096, 2149, 2456, 3668, 4298, 4912, 6419, 7336, 8596, 12838, 14672, 15043, 17192, 25676, 30086, 34384, 40217, 51352, 60172, 80434, 102704, 120344, 160868, 240688, 281519, 321736, 563038, 643472, 1126076, 1970633, 2252152, 3941266, 4504304, 7882532, 15765064, 31530128]

約数ペア:

[(1, 31530128), (2, 15765064), (4, 7882532), (7, 4504304), (8, 3941266), (14, 2252152), (16, 1970633), (28, 1126076), (49, 643472), (56, 563038), (98, 321736), (112, 281519), (131, 240688), (196, 160868), (262, 120344), (307, 102704), (392, 80434), (524, 60172), (614, 51352), (784, 40217), (917, 34384), (1048, 30086), (1228, 25676), (1834, 17192), (2096, 15043), (2149, 14672), (2456, 12838), (3668, 8596), (4298, 7336), (4912, 6419)]