638701122

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 1385496576

約数和(自身を除く): 746795454

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 173, 186, 346, 519, 713, 863, 1038, 1426, 1726, 2139, 2589, 3979, 4278, 5178, 5363, 7958, 10726, 11937, 16089, 19849, 23874, 26753, 32178, 39698, 53506, 59547, 80259, 119094, 123349, 149299, 160518, 246698, 298598, 370047, 447897, 615319, 740094, 895794, 1230638, 1845957, 3433877, 3691914, 4628269, 6867754, 9256538, 10301631, 13884807, 20603262, 27769614, 106450187, 212900374, 319350561, 638701122]

約数ペア:

[(1, 638701122), (2, 319350561), (3, 212900374), (6, 106450187), (23, 27769614), (31, 20603262), (46, 13884807), (62, 10301631), (69, 9256538), (93, 6867754), (138, 4628269), (173, 3691914), (186, 3433877), (346, 1845957), (519, 1230638), (713, 895794), (863, 740094), (1038, 615319), (1426, 447897), (1726, 370047), (2139, 298598), (2589, 246698), (3979, 160518), (4278, 149299), (5178, 123349), (5363, 119094), (7958, 80259), (10726, 59547), (11937, 53506), (16089, 39698), (19849, 32178), (23874, 26753)]