80881974

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3877}}^1$

素因数の和:3965

約数の個数: 48

約数和(自身を含む): 187540080

約数和(自身を除く): 106658106

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1098, 1159, 2318, 3477, 3877, 6954, 7754, 10431, 11631, 20862, 23262, 34893, 69786, 73663, 147326, 220989, 236497, 441978, 472994, 662967, 709491, 1325934, 1418982, 2128473, 4256946, 4493443, 8986886, 13480329, 26960658, 40440987, 80881974]

約数ペア:

[(1, 80881974), (2, 40440987), (3, 26960658), (6, 13480329), (9, 8986886), (18, 4493443), (19, 4256946), (38, 2128473), (57, 1418982), (61, 1325934), (114, 709491), (122, 662967), (171, 472994), (183, 441978), (342, 236497), (366, 220989), (549, 147326), (1098, 73663), (1159, 69786), (2318, 34893), (3477, 23262), (3877, 20862), (6954, 11631), (7754, 10431)]