31491632

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 62558496

約数和(自身を除く): 31066864

約数列:

[1, 2, 4, 8, 16, 97, 103, 194, 197, 206, 388, 394, 412, 776, 788, 824, 1552, 1576, 1648, 3152, 9991, 19109, 19982, 20291, 38218, 39964, 40582, 76436, 79928, 81164, 152872, 159856, 162328, 305744, 324656, 1968227, 3936454, 7872908, 15745816, 31491632]

約数ペア:

[(1, 31491632), (2, 15745816), (4, 7872908), (8, 3936454), (16, 1968227), (97, 324656), (103, 305744), (194, 162328), (197, 159856), (206, 152872), (388, 81164), (394, 79928), (412, 76436), (776, 40582), (788, 39964), (824, 38218), (1552, 20291), (1576, 19982), (1648, 19109), (3152, 9991)]