8648458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 17498880

約数和(自身を除く): 8850422

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 41, 61, 82, 91, 122, 133, 182, 247, 266, 287, 427, 494, 533, 574, 779, 793, 854, 1066, 1159, 1558, 1586, 1729, 2318, 2501, 3458, 3731, 5002, 5453, 5551, 7462, 8113, 10127, 10906, 11102, 15067, 16226, 17507, 20254, 30134, 32513, 35014, 47519, 65026, 70889, 95038, 105469, 141778, 210938, 227591, 332633, 455182, 617747, 665266, 1235494, 4324229, 8648458]

約数ペア:

[(1, 8648458), (2, 4324229), (7, 1235494), (13, 665266), (14, 617747), (19, 455182), (26, 332633), (38, 227591), (41, 210938), (61, 141778), (82, 105469), (91, 95038), (122, 70889), (133, 65026), (182, 47519), (247, 35014), (266, 32513), (287, 30134), (427, 20254), (494, 17507), (533, 16226), (574, 15067), (779, 11102), (793, 10906), (854, 10127), (1066, 8113), (1159, 7462), (1558, 5551), (1586, 5453), (1729, 5002), (2318, 3731), (2501, 3458)]