81765664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 170614080

約数和(自身を除く): 88848416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 181, 304, 362, 608, 724, 743, 1448, 1486, 2896, 2972, 3439, 5792, 5944, 6878, 11888, 13756, 14117, 23776, 27512, 28234, 55024, 56468, 110048, 112936, 134483, 225872, 268966, 451744, 537932, 1075864, 2151728, 2555177, 4303456, 5110354, 10220708, 20441416, 40882832, 81765664]

約数ペア:

[(1, 81765664), (2, 40882832), (4, 20441416), (8, 10220708), (16, 5110354), (19, 4303456), (32, 2555177), (38, 2151728), (76, 1075864), (152, 537932), (181, 451744), (304, 268966), (362, 225872), (608, 134483), (724, 112936), (743, 110048), (1448, 56468), (1486, 55024), (2896, 28234), (2972, 27512), (3439, 23776), (5792, 14117), (5944, 13756), (6878, 11888)]