389500956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2659}}^1$

素因数の和:2995

約数の個数: 72

約数和(自身を含む): 1064095760

約数和(自身を除く): 674594804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 313, 468, 626, 939, 1252, 1878, 2659, 2817, 3756, 4069, 5318, 5634, 7977, 8138, 10636, 11268, 12207, 15954, 16276, 23931, 24414, 31908, 34567, 36621, 47862, 48828, 69134, 73242, 95724, 103701, 138268, 146484, 207402, 311103, 414804, 622206, 832267, 1244412, 1664534, 2496801, 3329068, 4993602, 7490403, 9987204, 10819471, 14980806, 21638942, 29961612, 32458413, 43277884, 64916826, 97375239, 129833652, 194750478, 389500956]

約数ペア:

[(1, 389500956), (2, 194750478), (3, 129833652), (4, 97375239), (6, 64916826), (9, 43277884), (12, 32458413), (13, 29961612), (18, 21638942), (26, 14980806), (36, 10819471), (39, 9987204), (52, 7490403), (78, 4993602), (117, 3329068), (156, 2496801), (234, 1664534), (313, 1244412), (468, 832267), (626, 622206), (939, 414804), (1252, 311103), (1878, 207402), (2659, 146484), (2817, 138268), (3756, 103701), (4069, 95724), (5318, 73242), (5634, 69134), (7977, 48828), (8138, 47862), (10636, 36621), (11268, 34567), (12207, 31908), (15954, 24414), (16276, 23931)]