77998648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5684

約数の個数: 64

約数和(自身を含む): 189504000

約数和(自身を除く): 111505352

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 5639, 6916, 11278, 13832, 22556, 39473, 45112, 73307, 78946, 107141, 146614, 157892, 214282, 293228, 315784, 428564, 513149, 586456, 749987, 857128, 1026298, 1392833, 1499974, 2052596, 2785666, 2999948, 4105192, 5571332, 5999896, 9749831, 11142664, 19499662, 38999324, 77998648]

約数ペア:

[(1, 77998648), (2, 38999324), (4, 19499662), (7, 11142664), (8, 9749831), (13, 5999896), (14, 5571332), (19, 4105192), (26, 2999948), (28, 2785666), (38, 2052596), (52, 1499974), (56, 1392833), (76, 1026298), (91, 857128), (104, 749987), (133, 586456), (152, 513149), (182, 428564), (247, 315784), (266, 293228), (364, 214282), (494, 157892), (532, 146614), (728, 107141), (988, 78946), (1064, 73307), (1729, 45112), (1976, 39473), (3458, 22556), (5639, 13832), (6916, 11278)]