389409724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4138

約数の個数: 48

約数和(自身を含む): 778401792

約数和(自身を除く): 388992068

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 142, 284, 341, 682, 781, 1364, 1562, 2201, 3124, 4021, 4402, 8042, 8804, 16084, 24211, 44231, 48422, 88462, 96844, 124651, 176924, 249302, 285491, 498604, 570982, 1141964, 1371161, 2742322, 3140401, 5484644, 6280802, 8850221, 12561604, 17700442, 35400884, 97352431, 194704862, 389409724]

約数ペア:

[(1, 389409724), (2, 194704862), (4, 97352431), (11, 35400884), (22, 17700442), (31, 12561604), (44, 8850221), (62, 6280802), (71, 5484644), (124, 3140401), (142, 2742322), (284, 1371161), (341, 1141964), (682, 570982), (781, 498604), (1364, 285491), (1562, 249302), (2201, 176924), (3124, 124651), (4021, 96844), (4402, 88462), (8042, 48422), (8804, 44231), (16084, 24211)]