213307510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 427508928

約数和(自身を除く): 214201418

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 83, 106, 130, 166, 265, 373, 415, 530, 689, 746, 830, 1079, 1378, 1865, 2158, 3445, 3730, 4399, 4849, 5395, 6890, 8798, 9698, 10790, 19769, 21995, 24245, 30959, 39538, 43990, 48490, 57187, 61918, 98845, 114374, 154795, 197690, 256997, 285935, 309590, 402467, 513994, 571870, 804934, 1284985, 1640827, 2012335, 2569970, 3281654, 4024670, 8204135, 16408270, 21330751, 42661502, 106653755, 213307510]

約数ペア:

[(1, 213307510), (2, 106653755), (5, 42661502), (10, 21330751), (13, 16408270), (26, 8204135), (53, 4024670), (65, 3281654), (83, 2569970), (106, 2012335), (130, 1640827), (166, 1284985), (265, 804934), (373, 571870), (415, 513994), (530, 402467), (689, 309590), (746, 285935), (830, 256997), (1079, 197690), (1378, 154795), (1865, 114374), (2158, 98845), (3445, 61918), (3730, 57187), (4399, 48490), (4849, 43990), (5395, 39538), (6890, 30959), (8798, 24245), (9698, 21995), (10790, 19769)]