638862

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 1551312

約数和(自身を除く): 912450

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 53, 82, 98, 106, 123, 147, 159, 246, 287, 294, 318, 371, 574, 742, 861, 1113, 1722, 2009, 2173, 2226, 2597, 4018, 4346, 5194, 6027, 6519, 7791, 12054, 13038, 15211, 15582, 30422, 45633, 91266, 106477, 212954, 319431, 638862]

約数ペア:

[(1, 638862), (2, 319431), (3, 212954), (6, 106477), (7, 91266), (14, 45633), (21, 30422), (41, 15582), (42, 15211), (49, 13038), (53, 12054), (82, 7791), (98, 6519), (106, 6027), (123, 5194), (147, 4346), (159, 4018), (246, 2597), (287, 2226), (294, 2173), (318, 2009), (371, 1722), (574, 1113), (742, 861)]