81566316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9173}}^1$

素因数の和:9215

約数の個数: 72

約数和(自身を含む): 233753520

約数和(自身を除く): 152187204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 9173, 18346, 27519, 36692, 55038, 82557, 110076, 119249, 165114, 174287, 238498, 330228, 348574, 357747, 476996, 522861, 697148, 715494, 1045722, 1073241, 1430988, 1568583, 2091444, 2146482, 2265731, 3137166, 4292964, 4531462, 6274332, 6797193, 9062924, 13594386, 20391579, 27188772, 40783158, 81566316]

約数ペア:

[(1, 81566316), (2, 40783158), (3, 27188772), (4, 20391579), (6, 13594386), (9, 9062924), (12, 6797193), (13, 6274332), (18, 4531462), (19, 4292964), (26, 3137166), (36, 2265731), (38, 2146482), (39, 2091444), (52, 1568583), (57, 1430988), (76, 1073241), (78, 1045722), (114, 715494), (117, 697148), (156, 522861), (171, 476996), (228, 357747), (234, 348574), (247, 330228), (342, 238498), (468, 174287), (494, 165114), (684, 119249), (741, 110076), (988, 82557), (1482, 55038), (2223, 36692), (2964, 27519), (4446, 18346), (8892, 9173)]