215091708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 551916288

約数和(自身を除く): 336824580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 169, 201, 268, 338, 402, 507, 676, 804, 871, 1014, 1583, 1742, 2028, 2613, 3166, 3484, 4749, 5226, 6332, 9498, 10452, 11323, 18996, 20579, 22646, 33969, 41158, 45292, 61737, 67938, 82316, 106061, 123474, 135876, 212122, 246948, 267527, 318183, 424244, 535054, 636366, 802581, 1070108, 1272732, 1378793, 1605162, 2757586, 3210324, 4136379, 5515172, 8272758, 16545516, 17924309, 35848618, 53772927, 71697236, 107545854, 215091708]

約数ペア:

[(1, 215091708), (2, 107545854), (3, 71697236), (4, 53772927), (6, 35848618), (12, 17924309), (13, 16545516), (26, 8272758), (39, 5515172), (52, 4136379), (67, 3210324), (78, 2757586), (134, 1605162), (156, 1378793), (169, 1272732), (201, 1070108), (268, 802581), (338, 636366), (402, 535054), (507, 424244), (676, 318183), (804, 267527), (871, 246948), (1014, 212122), (1583, 135876), (1742, 123474), (2028, 106061), (2613, 82316), (3166, 67938), (3484, 61737), (4749, 45292), (5226, 41158), (6332, 33969), (9498, 22646), (10452, 20579), (11323, 18996)]