81491608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 192844800

約数和(自身を除く): 111353192

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 47, 61, 68, 76, 88, 94, 122, 136, 152, 187, 188, 209, 244, 323, 374, 376, 418, 488, 517, 646, 671, 748, 799, 836, 893, 1034, 1037, 1159, 1292, 1342, 1496, 1598, 1672, 1786, 2068, 2074, 2318, 2584, 2684, 2867, 3196, 3553, 3572, 4136, 4148, 4636, 5368, 5734, 6392, 7106, 7144, 8296, 8789, 9272, 9823, 11407, 11468, 12749, 14212, 15181, 17578, 19646, 19703, 22814, 22936, 25498, 28424, 30362, 31537, 35156, 39292, 39406, 45628, 48739, 50996, 54473, 60724, 63074, 70312, 78584, 78812, 91256, 97478, 101992, 108946, 121448, 126148, 157624, 166991, 194956, 216733, 217892, 252296, 333982, 389912, 433466, 435784, 536129, 599203, 667964, 866932, 926041, 1072258, 1198406, 1335928, 1733864, 1852082, 2144516, 2396812, 3704164, 4289032, 4793624, 7408328, 10186451, 20372902, 40745804, 81491608]

約数ペア:

[(1, 81491608), (2, 40745804), (4, 20372902), (8, 10186451), (11, 7408328), (17, 4793624), (19, 4289032), (22, 3704164), (34, 2396812), (38, 2144516), (44, 1852082), (47, 1733864), (61, 1335928), (68, 1198406), (76, 1072258), (88, 926041), (94, 866932), (122, 667964), (136, 599203), (152, 536129), (187, 435784), (188, 433466), (209, 389912), (244, 333982), (323, 252296), (374, 217892), (376, 216733), (418, 194956), (488, 166991), (517, 157624), (646, 126148), (671, 121448), (748, 108946), (799, 101992), (836, 97478), (893, 91256), (1034, 78812), (1037, 78584), (1159, 70312), (1292, 63074), (1342, 60724), (1496, 54473), (1598, 50996), (1672, 48739), (1786, 45628), (2068, 39406), (2074, 39292), (2318, 35156), (2584, 31537), (2684, 30362), (2867, 28424), (3196, 25498), (3553, 22936), (3572, 22814), (4136, 19703), (4148, 19646), (4636, 17578), (5368, 15181), (5734, 14212), (6392, 12749), (7106, 11468), (7144, 11407), (8296, 9823), (8789, 9272)]