25971328

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 55692000

約数和(自身を除く): 29720672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 181, 236, 304, 362, 472, 608, 724, 944, 1121, 1216, 1448, 1888, 2242, 2432, 2896, 3439, 3776, 4484, 5792, 6878, 7552, 8968, 10679, 11584, 13756, 17936, 21358, 23168, 27512, 35872, 42716, 55024, 71744, 85432, 110048, 143488, 170864, 202901, 220096, 341728, 405802, 440192, 683456, 811604, 1366912, 1623208, 3246416, 6492832, 12985664, 25971328]

約数ペア:

[(1, 25971328), (2, 12985664), (4, 6492832), (8, 3246416), (16, 1623208), (19, 1366912), (32, 811604), (38, 683456), (59, 440192), (64, 405802), (76, 341728), (118, 220096), (128, 202901), (152, 170864), (181, 143488), (236, 110048), (304, 85432), (362, 71744), (472, 55024), (608, 42716), (724, 35872), (944, 27512), (1121, 23168), (1216, 21358), (1448, 17936), (1888, 13756), (2242, 11584), (2432, 10679), (2896, 8968), (3439, 7552), (3776, 6878), (4484, 5792)]