201721286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 359251200

約数和(自身を除く): 157529914

約数列:

[1, 2, 13, 17, 26, 34, 53, 79, 106, 109, 158, 218, 221, 442, 689, 901, 1027, 1343, 1378, 1417, 1802, 1853, 2054, 2686, 2834, 3706, 4187, 5777, 8374, 8611, 11554, 11713, 17222, 17459, 23426, 24089, 34918, 48178, 54431, 71179, 75101, 98209, 108862, 111943, 142358, 146387, 150202, 196418, 223886, 292774, 456383, 912766, 925327, 1276717, 1850654, 1903031, 2553434, 3806062, 5932979, 7758511, 11865958, 15517022, 100860643, 201721286]

約数ペア:

[(1, 201721286), (2, 100860643), (13, 15517022), (17, 11865958), (26, 7758511), (34, 5932979), (53, 3806062), (79, 2553434), (106, 1903031), (109, 1850654), (158, 1276717), (218, 925327), (221, 912766), (442, 456383), (689, 292774), (901, 223886), (1027, 196418), (1343, 150202), (1378, 146387), (1417, 142358), (1802, 111943), (1853, 108862), (2054, 98209), (2686, 75101), (2834, 71179), (3706, 54431), (4187, 48178), (5777, 34918), (8374, 24089), (8611, 23426), (11554, 17459), (11713, 17222)]