393091456

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 848746080

約数和(自身を除く): 455654624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 181, 188, 304, 361, 362, 376, 608, 722, 724, 752, 893, 1216, 1444, 1448, 1504, 1786, 2432, 2888, 2896, 3008, 3439, 3572, 5776, 5792, 6016, 6878, 7144, 8507, 11552, 11584, 13756, 14288, 16967, 17014, 23104, 23168, 27512, 28576, 33934, 34028, 46208, 55024, 57152, 65341, 67868, 68056, 110048, 114304, 130682, 135736, 136112, 161633, 220096, 261364, 271472, 272224, 323266, 440192, 522728, 542944, 544448, 646532, 1045456, 1085888, 1088896, 1293064, 2090912, 2171776, 2586128, 3071027, 4181824, 5172256, 6142054, 8363648, 10344512, 12284108, 20689024, 24568216, 49136432, 98272864, 196545728, 393091456]

約数ペア:

[(1, 393091456), (2, 196545728), (4, 98272864), (8, 49136432), (16, 24568216), (19, 20689024), (32, 12284108), (38, 10344512), (47, 8363648), (64, 6142054), (76, 5172256), (94, 4181824), (128, 3071027), (152, 2586128), (181, 2171776), (188, 2090912), (304, 1293064), (361, 1088896), (362, 1085888), (376, 1045456), (608, 646532), (722, 544448), (724, 542944), (752, 522728), (893, 440192), (1216, 323266), (1444, 272224), (1448, 271472), (1504, 261364), (1786, 220096), (2432, 161633), (2888, 136112), (2896, 135736), (3008, 130682), (3439, 114304), (3572, 110048), (5776, 68056), (5792, 67868), (6016, 65341), (6878, 57152), (7144, 55024), (8507, 46208), (11552, 34028), (11584, 33934), (13756, 28576), (14288, 27512), (16967, 23168), (17014, 23104)]