248996813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 288943200

約数和(自身を除く): 39946387

約数列:

[1, 13, 29, 41, 89, 181, 377, 533, 1157, 1189, 2353, 2581, 3649, 5249, 7421, 15457, 16109, 33553, 47437, 68237, 96473, 105821, 209417, 215209, 467161, 660469, 1375673, 2797717, 6073093, 8586097, 19153601, 248996813]

約数ペア:

[(1, 248996813), (13, 19153601), (29, 8586097), (41, 6073093), (89, 2797717), (181, 1375673), (377, 660469), (533, 467161), (1157, 215209), (1189, 209417), (2353, 105821), (2581, 96473), (3649, 68237), (5249, 47437), (7421, 33553), (15457, 16109)]