77881547541

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1\times {\mathrm{1741}}^1$

素因数の和:2602

約数の個数: 64

約数和(自身を含む): 123425243136

約数和(自身を除く): 45543695595

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 743, 987, 1281, 1741, 2229, 2867, 5201, 5223, 8601, 12187, 15603, 20069, 34921, 36561, 45323, 60207, 81827, 104763, 106201, 135969, 244447, 245481, 317261, 318603, 572789, 733341, 743407, 951783, 1293563, 1718367, 2130181, 2230221, 3880689, 4991447, 6390543, 9054941, 14911267, 14974341, 27164823, 34940129, 44733801, 60797461, 78907343, 104820387, 182392383, 236722029, 425582227, 552351401, 1276746681, 1657054203, 3708645121, 11125935363, 25960515847, 77881547541]

約数ペア:

[(1, 77881547541), (3, 25960515847), (7, 11125935363), (21, 3708645121), (47, 1657054203), (61, 1276746681), (141, 552351401), (183, 425582227), (329, 236722029), (427, 182392383), (743, 104820387), (987, 78907343), (1281, 60797461), (1741, 44733801), (2229, 34940129), (2867, 27164823), (5201, 14974341), (5223, 14911267), (8601, 9054941), (12187, 6390543), (15603, 4991447), (20069, 3880689), (34921, 2230221), (36561, 2130181), (45323, 1718367), (60207, 1293563), (81827, 951783), (104763, 743407), (106201, 733341), (135969, 572789), (244447, 318603), (245481, 317261)]