81905694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3305

約数の個数: 64

約数和(自身を含む): 196680960

約数和(自身を除く): 114775266

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 969, 1326, 1482, 1938, 3251, 4199, 6502, 8398, 9753, 12597, 19506, 25194, 42263, 55267, 61769, 84526, 110534, 123538, 126789, 165801, 185307, 253578, 331602, 370614, 718471, 802997, 1050073, 1436942, 1605994, 2100146, 2155413, 2408991, 3150219, 4310826, 4817982, 6300438, 13650949, 27301898, 40952847, 81905694]

約数ペア:

[(1, 81905694), (2, 40952847), (3, 27301898), (6, 13650949), (13, 6300438), (17, 4817982), (19, 4310826), (26, 3150219), (34, 2408991), (38, 2155413), (39, 2100146), (51, 1605994), (57, 1436942), (78, 1050073), (102, 802997), (114, 718471), (221, 370614), (247, 331602), (323, 253578), (442, 185307), (494, 165801), (646, 126789), (663, 123538), (741, 110534), (969, 84526), (1326, 61769), (1482, 55267), (1938, 42263), (3251, 25194), (4199, 19506), (6502, 12597), (8398, 9753)]