289058077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 399974400

約数和(自身を除く): 110916323

約数列:

[1, 7, 11, 19, 41, 61, 77, 79, 133, 209, 287, 427, 451, 553, 671, 779, 869, 1159, 1463, 1501, 2501, 3157, 3239, 4697, 4819, 5453, 6083, 8113, 8569, 10507, 12749, 16511, 17507, 22673, 27511, 33733, 35629, 47519, 53009, 59983, 61541, 89243, 91561, 115577, 192577, 197579, 249403, 332633, 371063, 430787, 522709, 640927, 676951, 1007171, 1383053, 2173369, 3658963, 3754001, 4738657, 7050197, 15213583, 26278007, 41294011, 289058077]

約数ペア:

[(1, 289058077), (7, 41294011), (11, 26278007), (19, 15213583), (41, 7050197), (61, 4738657), (77, 3754001), (79, 3658963), (133, 2173369), (209, 1383053), (287, 1007171), (427, 676951), (451, 640927), (553, 522709), (671, 430787), (779, 371063), (869, 332633), (1159, 249403), (1463, 197579), (1501, 192577), (2501, 115577), (3157, 91561), (3239, 89243), (4697, 61541), (4819, 59983), (5453, 53009), (6083, 47519), (8113, 35629), (8569, 33733), (10507, 27511), (12749, 22673), (16511, 17507)]