638433936

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{90481}}^1$

素因数の和:90509

約数の個数: 90

約数和(自身を含む): 2078462022

約数和(自身を除く): 1440028086

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 90481, 180962, 271443, 361924, 542886, 633367, 723848, 814329, 1085772, 1266734, 1447696, 1628658, 1900101, 2171544, 2533468, 3257316, 3800202, 4343088, 4433569, 5066936, 5700303, 6514632, 7600404, 8867138, 10133872, 11400606, 13029264, 13300707, 15200808, 17734276, 22801212, 26601414, 30401616, 35468552, 39902121, 45602424, 53202828, 70937104, 79804242, 91204848, 106405656, 159608484, 212811312, 319216968, 638433936]

約数ペア:

[(1, 638433936), (2, 319216968), (3, 212811312), (4, 159608484), (6, 106405656), (7, 91204848), (8, 79804242), (9, 70937104), (12, 53202828), (14, 45602424), (16, 39902121), (18, 35468552), (21, 30401616), (24, 26601414), (28, 22801212), (36, 17734276), (42, 15200808), (48, 13300707), (49, 13029264), (56, 11400606), (63, 10133872), (72, 8867138), (84, 7600404), (98, 6514632), (112, 5700303), (126, 5066936), (144, 4433569), (147, 4343088), (168, 3800202), (196, 3257316), (252, 2533468), (294, 2171544), (336, 1900101), (392, 1628658), (441, 1447696), (504, 1266734), (588, 1085772), (784, 814329), (882, 723848), (1008, 633367), (1176, 542886), (1764, 361924), (2352, 271443), (3528, 180962), (7056, 90481)]