291280892

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 617632848

約数和(自身を除く): 326351956

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 67, 82, 98, 134, 164, 196, 268, 287, 469, 541, 574, 938, 1082, 1148, 1876, 2009, 2164, 2747, 3283, 3787, 4018, 5494, 6566, 7574, 8036, 10988, 13132, 15148, 19229, 22181, 26509, 36247, 38458, 44362, 53018, 72494, 76916, 88724, 106036, 134603, 144988, 155267, 253729, 269206, 310534, 507458, 538412, 621068, 1014916, 1086869, 1486127, 1776103, 2173738, 2972254, 3552206, 4347476, 5944508, 7104412, 10402889, 20805778, 41611556, 72820223, 145640446, 291280892]

約数ペア:

[(1, 291280892), (2, 145640446), (4, 72820223), (7, 41611556), (14, 20805778), (28, 10402889), (41, 7104412), (49, 5944508), (67, 4347476), (82, 3552206), (98, 2972254), (134, 2173738), (164, 1776103), (196, 1486127), (268, 1086869), (287, 1014916), (469, 621068), (541, 538412), (574, 507458), (938, 310534), (1082, 269206), (1148, 253729), (1876, 155267), (2009, 144988), (2164, 134603), (2747, 106036), (3283, 88724), (3787, 76916), (4018, 72494), (5494, 53018), (6566, 44362), (7574, 38458), (8036, 36247), (10988, 26509), (13132, 22181), (15148, 19229)]