861074528

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:748

約数の個数: 72

約数和(自身を含む): 1805985720

約数和(自身を除く): 944911192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 262, 304, 361, 524, 569, 608, 722, 1048, 1138, 1444, 2096, 2276, 2489, 2888, 4192, 4552, 4978, 5776, 9104, 9956, 10811, 11552, 18208, 19912, 21622, 39824, 43244, 47291, 74539, 79648, 86488, 94582, 149078, 172976, 189164, 205409, 298156, 345952, 378328, 410818, 596312, 756656, 821636, 1192624, 1416241, 1513312, 1643272, 2385248, 2832482, 3286544, 5664964, 6573088, 11329928, 22659856, 26908579, 45319712, 53817158, 107634316, 215268632, 430537264, 861074528]

約数ペア:

[(1, 861074528), (2, 430537264), (4, 215268632), (8, 107634316), (16, 53817158), (19, 45319712), (32, 26908579), (38, 22659856), (76, 11329928), (131, 6573088), (152, 5664964), (262, 3286544), (304, 2832482), (361, 2385248), (524, 1643272), (569, 1513312), (608, 1416241), (722, 1192624), (1048, 821636), (1138, 756656), (1444, 596312), (2096, 410818), (2276, 378328), (2489, 345952), (2888, 298156), (4192, 205409), (4552, 189164), (4978, 172976), (5776, 149078), (9104, 94582), (9956, 86488), (10811, 79648), (11552, 74539), (18208, 47291), (19912, 43244), (21622, 39824)]