213218388

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 552712160

約数和(自身を除く): 339493772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 109, 134, 201, 218, 268, 327, 402, 436, 603, 654, 804, 811, 981, 1206, 1308, 1622, 1962, 2412, 2433, 3244, 3924, 4866, 7299, 7303, 9732, 14598, 14606, 21909, 29196, 29212, 43818, 54337, 65727, 87636, 88399, 108674, 131454, 163011, 176798, 217348, 262908, 265197, 326022, 353596, 489033, 530394, 652044, 795591, 978066, 1060788, 1591182, 1956132, 3182364, 5922733, 11845466, 17768199, 23690932, 35536398, 53304597, 71072796, 106609194, 213218388]

約数ペア:

[(1, 213218388), (2, 106609194), (3, 71072796), (4, 53304597), (6, 35536398), (9, 23690932), (12, 17768199), (18, 11845466), (36, 5922733), (67, 3182364), (109, 1956132), (134, 1591182), (201, 1060788), (218, 978066), (268, 795591), (327, 652044), (402, 530394), (436, 489033), (603, 353596), (654, 326022), (804, 265197), (811, 262908), (981, 217348), (1206, 176798), (1308, 163011), (1622, 131454), (1962, 108674), (2412, 88399), (2433, 87636), (3244, 65727), (3924, 54337), (4866, 43818), (7299, 29212), (7303, 29196), (9732, 21909), (14598, 14606)]