398049278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 710311680

約数和(自身を除く): 312262402

約数列:

[1, 2, 11, 19, 22, 38, 61, 67, 122, 134, 209, 233, 418, 466, 671, 737, 1159, 1273, 1342, 1474, 2318, 2546, 2563, 4087, 4427, 5126, 8174, 8854, 12749, 14003, 14213, 15611, 25498, 28006, 28426, 31222, 44957, 48697, 77653, 89914, 97394, 155306, 156343, 171721, 270047, 296609, 312686, 343442, 540094, 593218, 854183, 952271, 1708366, 1904542, 2970517, 3262699, 5941034, 6525398, 10474981, 18093149, 20949962, 36186298, 199024639, 398049278]

約数ペア:

[(1, 398049278), (2, 199024639), (11, 36186298), (19, 20949962), (22, 18093149), (38, 10474981), (61, 6525398), (67, 5941034), (122, 3262699), (134, 2970517), (209, 1904542), (233, 1708366), (418, 952271), (466, 854183), (671, 593218), (737, 540094), (1159, 343442), (1273, 312686), (1342, 296609), (1474, 270047), (2318, 171721), (2546, 156343), (2563, 155306), (4087, 97394), (4427, 89914), (5126, 77653), (8174, 48697), (8854, 44957), (12749, 31222), (14003, 28426), (14213, 28006), (15611, 25498)]