258147974

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 476160000

約数和(自身を除く): 218012026

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 98, 122, 199, 217, 343, 398, 427, 434, 686, 854, 1393, 1519, 1891, 2786, 2989, 3038, 3782, 5978, 6169, 9751, 10633, 12139, 12338, 13237, 19502, 20923, 21266, 24278, 26474, 41846, 43183, 68257, 84973, 86366, 92659, 136514, 169946, 185318, 302281, 376309, 594811, 604562, 648613, 752618, 1189622, 1297226, 2115967, 2634163, 4163677, 4231934, 5268326, 8327354, 18439141, 36878282, 129073987, 258147974]

約数ペア:

[(1, 258147974), (2, 129073987), (7, 36878282), (14, 18439141), (31, 8327354), (49, 5268326), (61, 4231934), (62, 4163677), (98, 2634163), (122, 2115967), (199, 1297226), (217, 1189622), (343, 752618), (398, 648613), (427, 604562), (434, 594811), (686, 376309), (854, 302281), (1393, 185318), (1519, 169946), (1891, 136514), (2786, 92659), (2989, 86366), (3038, 84973), (3782, 68257), (5978, 43183), (6169, 41846), (9751, 26474), (10633, 24278), (12139, 21266), (12338, 20923), (13237, 19502)]