642415728

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{431731}}^1$

素因数の和:431773

約数の個数: 40

約数和(自身を含む): 1713112576

約数和(自身を除く): 1070696848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 431731, 863462, 1295193, 1726924, 2590386, 3453848, 5180772, 6907696, 10361544, 13383661, 20723088, 26767322, 40150983, 53534644, 80301966, 107069288, 160603932, 214138576, 321207864, 642415728]

約数ペア:

[(1, 642415728), (2, 321207864), (3, 214138576), (4, 160603932), (6, 107069288), (8, 80301966), (12, 53534644), (16, 40150983), (24, 26767322), (31, 20723088), (48, 13383661), (62, 10361544), (93, 6907696), (124, 5180772), (186, 3453848), (248, 2590386), (372, 1726924), (496, 1295193), (744, 863462), (1488, 431731)]