217585284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{727}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 592562880

約数和(自身を除く): 374977596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 509, 588, 727, 1018, 1454, 1527, 2036, 2181, 2908, 3054, 3563, 4362, 5089, 6108, 7126, 8724, 10178, 10689, 14252, 15267, 20356, 21378, 24941, 30534, 35623, 42756, 49882, 61068, 71246, 74823, 99764, 106869, 142492, 149646, 213738, 299292, 370043, 427476, 740086, 1110129, 1480172, 2220258, 2590301, 4440516, 5180602, 7770903, 10361204, 15541806, 18132107, 31083612, 36264214, 54396321, 72528428, 108792642, 217585284]

約数ペア:

[(1, 217585284), (2, 108792642), (3, 72528428), (4, 54396321), (6, 36264214), (7, 31083612), (12, 18132107), (14, 15541806), (21, 10361204), (28, 7770903), (42, 5180602), (49, 4440516), (84, 2590301), (98, 2220258), (147, 1480172), (196, 1110129), (294, 740086), (509, 427476), (588, 370043), (727, 299292), (1018, 213738), (1454, 149646), (1527, 142492), (2036, 106869), (2181, 99764), (2908, 74823), (3054, 71246), (3563, 61068), (4362, 49882), (5089, 42756), (6108, 35623), (7126, 30534), (8724, 24941), (10178, 21378), (10689, 20356), (14252, 15267)]