251019488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2281}}^1$

素因数の和:2491

約数の個数: 48

約数和(自身を含む): 523308240

約数和(自身を除く): 272288752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 181, 304, 362, 608, 724, 1448, 2281, 2896, 3439, 4562, 5792, 6878, 9124, 13756, 18248, 27512, 36496, 43339, 55024, 72992, 86678, 110048, 173356, 346712, 412861, 693424, 825722, 1386848, 1651444, 3302888, 6605776, 7844359, 13211552, 15688718, 31377436, 62754872, 125509744, 251019488]

約数ペア:

[(1, 251019488), (2, 125509744), (4, 62754872), (8, 31377436), (16, 15688718), (19, 13211552), (32, 7844359), (38, 6605776), (76, 3302888), (152, 1651444), (181, 1386848), (304, 825722), (362, 693424), (608, 412861), (724, 346712), (1448, 173356), (2281, 110048), (2896, 86678), (3439, 72992), (4562, 55024), (5792, 43339), (6878, 36496), (9124, 27512), (13756, 18248)]