220385.0000000

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:842

約数の個数: 36

約数和(自身を含む): 4535832

約数和(自身を除く): 2469404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 811, 1274, 1622, 2548, 3244, 5677, 10543, 11354, 21086, 22708, 39739, 42172, 73801, 79478, 147602, 158956, 295204, 516607, 1033214, 2066428]

約数ペア:

[(1, 2066428), (2, 1033214), (4, 516607), (7, 295204), (13, 158956), (14, 147602), (26, 79478), (28, 73801), (49, 42172), (52, 39739), (91, 22708), (98, 21086), (182, 11354), (196, 10543), (364, 5677), (637, 3244), (811, 2548), (1274, 1622)]