81272478

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 211507200

約数和(自身を除く): 130234722

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 49, 51, 69, 98, 101, 102, 119, 138, 147, 161, 202, 238, 294, 303, 322, 343, 357, 391, 483, 606, 686, 707, 714, 782, 833, 966, 1029, 1127, 1173, 1414, 1666, 1717, 2058, 2121, 2254, 2323, 2346, 2499, 2737, 3381, 3434, 4242, 4646, 4949, 4998, 5151, 5474, 5831, 6762, 6969, 7889, 8211, 9898, 10302, 11662, 12019, 13938, 14847, 15778, 16261, 16422, 17493, 19159, 23667, 24038, 29694, 32522, 34643, 34986, 36057, 38318, 39491, 47334, 48783, 57477, 69286, 72114, 78982, 84133, 97566, 103929, 113827, 114954, 118473, 134113, 168266, 207858, 227654, 236946, 252399, 268226, 276437, 341481, 402339, 504798, 552874, 588931, 682962, 796789, 804678, 829311, 1177862, 1593578, 1658622, 1766793, 1935059, 2390367, 3533586, 3870118, 4780734, 5805177, 11610354, 13545413, 27090826, 40636239, 81272478]

約数ペア:

[(1, 81272478), (2, 40636239), (3, 27090826), (6, 13545413), (7, 11610354), (14, 5805177), (17, 4780734), (21, 3870118), (23, 3533586), (34, 2390367), (42, 1935059), (46, 1766793), (49, 1658622), (51, 1593578), (69, 1177862), (98, 829311), (101, 804678), (102, 796789), (119, 682962), (138, 588931), (147, 552874), (161, 504798), (202, 402339), (238, 341481), (294, 276437), (303, 268226), (322, 252399), (343, 236946), (357, 227654), (391, 207858), (483, 168266), (606, 134113), (686, 118473), (707, 114954), (714, 113827), (782, 103929), (833, 97566), (966, 84133), (1029, 78982), (1127, 72114), (1173, 69286), (1414, 57477), (1666, 48783), (1717, 47334), (2058, 39491), (2121, 38318), (2254, 36057), (2323, 34986), (2346, 34643), (2499, 32522), (2737, 29694), (3381, 24038), (3434, 23667), (4242, 19159), (4646, 17493), (4949, 16422), (4998, 16261), (5151, 15778), (5474, 14847), (5831, 13938), (6762, 12019), (6969, 11662), (7889, 10302), (8211, 9898)]