1388891167112

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1\times {\mathrm{136139}}^1$

素因数の和:136866

約数の個数: 64

約数和(自身を含む): 2725762406400

約数和(自身を除く): 1336871239288

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 631, 1262, 2021, 2524, 4042, 5048, 8084, 16168, 27133, 29657, 54266, 59314, 108532, 118628, 136139, 217064, 237256, 272278, 544556, 1089112, 1275251, 2550502, 5101004, 5853977, 6398533, 10202008, 11707954, 12797066, 23415908, 25594132, 46831816, 51188264, 85903709, 171807418, 275136919, 343614836, 550273838, 687229672, 1100547676, 2201095352, 3693859487, 4037474323, 7387718974, 8074948646, 14775437948, 16149897292, 29550875896, 32299794584, 173611395889, 347222791778, 694445583556, 1388891167112]

約数ペア:

[(1, 1388891167112), (2, 694445583556), (4, 347222791778), (8, 173611395889), (43, 32299794584), (47, 29550875896), (86, 16149897292), (94, 14775437948), (172, 8074948646), (188, 7387718974), (344, 4037474323), (376, 3693859487), (631, 2201095352), (1262, 1100547676), (2021, 687229672), (2524, 550273838), (4042, 343614836), (5048, 275136919), (8084, 171807418), (16168, 85903709), (27133, 51188264), (29657, 46831816), (54266, 25594132), (59314, 23415908), (108532, 12797066), (118628, 11707954), (136139, 10202008), (217064, 6398533), (237256, 5853977), (272278, 5101004), (544556, 2550502), (1089112, 1275251)]