213906810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{853}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 554375808

約数和(自身を除く): 340468998

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 643, 853, 1286, 1706, 1929, 2559, 3215, 3858, 4265, 5118, 6430, 8359, 8530, 9645, 11089, 12795, 16718, 19290, 22178, 25077, 25590, 33267, 41795, 50154, 55445, 66534, 83590, 110890, 125385, 166335, 250770, 332670, 548479, 1096958, 1645437, 2742395, 3290874, 5484790, 7130227, 8227185, 14260454, 16454370, 21390681, 35651135, 42781362, 71302270, 106953405, 213906810]

約数ペア:

[(1, 213906810), (2, 106953405), (3, 71302270), (5, 42781362), (6, 35651135), (10, 21390681), (13, 16454370), (15, 14260454), (26, 8227185), (30, 7130227), (39, 5484790), (65, 3290874), (78, 2742395), (130, 1645437), (195, 1096958), (390, 548479), (643, 332670), (853, 250770), (1286, 166335), (1706, 125385), (1929, 110890), (2559, 83590), (3215, 66534), (3858, 55445), (4265, 50154), (5118, 41795), (6430, 33267), (8359, 25590), (8530, 25077), (9645, 22178), (11089, 19290), (12795, 16718)]