647831268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 1937295360

約数和(自身を除く): 1289464092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 83, 84, 94, 126, 141, 166, 188, 249, 252, 282, 329, 332, 423, 498, 564, 581, 658, 659, 747, 846, 987, 996, 1162, 1316, 1318, 1494, 1692, 1743, 1974, 1977, 2324, 2636, 2961, 2988, 3486, 3901, 3948, 3954, 4613, 5229, 5922, 5931, 6972, 7802, 7908, 9226, 10458, 11703, 11844, 11862, 13839, 15604, 18452, 20916, 23406, 23724, 27307, 27678, 30973, 35109, 41517, 46812, 54614, 54697, 55356, 61946, 70218, 81921, 83034, 92919, 109228, 109394, 123892, 140436, 163842, 164091, 166068, 185838, 216811, 218788, 245763, 278757, 327684, 328182, 371676, 382879, 433622, 491526, 492273, 557514, 650433, 656364, 765758, 867244, 983052, 984546, 1115028, 1148637, 1300866, 1531516, 1951299, 1969092, 2297274, 2570759, 2601732, 3445911, 3902598, 4594548, 5141518, 6891822, 7712277, 7805196, 10283036, 13783644, 15424554, 17995313, 23136831, 30849108, 35990626, 46273662, 53985939, 71981252, 92547324, 107971878, 161957817, 215943756, 323915634, 647831268]

約数ペア:

[(1, 647831268), (2, 323915634), (3, 215943756), (4, 161957817), (6, 107971878), (7, 92547324), (9, 71981252), (12, 53985939), (14, 46273662), (18, 35990626), (21, 30849108), (28, 23136831), (36, 17995313), (42, 15424554), (47, 13783644), (63, 10283036), (83, 7805196), (84, 7712277), (94, 6891822), (126, 5141518), (141, 4594548), (166, 3902598), (188, 3445911), (249, 2601732), (252, 2570759), (282, 2297274), (329, 1969092), (332, 1951299), (423, 1531516), (498, 1300866), (564, 1148637), (581, 1115028), (658, 984546), (659, 983052), (747, 867244), (846, 765758), (987, 656364), (996, 650433), (1162, 557514), (1316, 492273), (1318, 491526), (1494, 433622), (1692, 382879), (1743, 371676), (1974, 328182), (1977, 327684), (2324, 278757), (2636, 245763), (2961, 218788), (2988, 216811), (3486, 185838), (3901, 166068), (3948, 164091), (3954, 163842), (4613, 140436), (5229, 123892), (5922, 109394), (5931, 109228), (6972, 92919), (7802, 83034), (7908, 81921), (9226, 70218), (10458, 61946), (11703, 55356), (11844, 54697), (11862, 54614), (13839, 46812), (15604, 41517), (18452, 35109), (20916, 30973), (23406, 27678), (23724, 27307)]