721250092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 1439907840

約数和(自身を除く): 718657748

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 71, 79, 122, 124, 142, 158, 244, 284, 316, 527, 1037, 1054, 1207, 1343, 1891, 2074, 2108, 2201, 2414, 2449, 2686, 3782, 4148, 4331, 4402, 4819, 4828, 4898, 5372, 5609, 7564, 8662, 8804, 9638, 9796, 11218, 17324, 19276, 22436, 32147, 37417, 41633, 64294, 73627, 74834, 81923, 83266, 95353, 128588, 134261, 147254, 149389, 149668, 163846, 166532, 173879, 190706, 268522, 294508, 298778, 327692, 342149, 347758, 381412, 537044, 597556, 684298, 695516, 1368596, 2282437, 2539613, 2955943, 4564874, 5079226, 5816533, 5911886, 9129748, 10158452, 10606619, 11633066, 11823772, 21213238, 23266132, 42426476, 180312523, 360625046, 721250092]

約数ペア:

[(1, 721250092), (2, 360625046), (4, 180312523), (17, 42426476), (31, 23266132), (34, 21213238), (61, 11823772), (62, 11633066), (68, 10606619), (71, 10158452), (79, 9129748), (122, 5911886), (124, 5816533), (142, 5079226), (158, 4564874), (244, 2955943), (284, 2539613), (316, 2282437), (527, 1368596), (1037, 695516), (1054, 684298), (1207, 597556), (1343, 537044), (1891, 381412), (2074, 347758), (2108, 342149), (2201, 327692), (2414, 298778), (2449, 294508), (2686, 268522), (3782, 190706), (4148, 173879), (4331, 166532), (4402, 163846), (4819, 149668), (4828, 149389), (4898, 147254), (5372, 134261), (5609, 128588), (7564, 95353), (8662, 83266), (8804, 81923), (9638, 74834), (9796, 73627), (11218, 64294), (17324, 41633), (19276, 37417), (22436, 32147)]