258972428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 544299840

約数和(自身を除く): 285327412

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 121, 143, 158, 242, 286, 316, 484, 521, 572, 869, 1027, 1042, 1573, 1738, 2054, 2084, 3146, 3476, 4108, 5731, 6292, 6773, 9559, 11297, 11462, 13546, 19118, 22594, 22924, 27092, 38236, 41159, 45188, 63041, 74503, 82318, 124267, 126082, 149006, 164636, 248534, 252164, 298012, 452749, 497068, 535067, 819533, 905498, 1070134, 1639066, 1810996, 2140268, 3278132, 4980239, 5885737, 9960478, 11771474, 19920956, 23542948, 64743107, 129486214, 258972428]

約数ペア:

[(1, 258972428), (2, 129486214), (4, 64743107), (11, 23542948), (13, 19920956), (22, 11771474), (26, 9960478), (44, 5885737), (52, 4980239), (79, 3278132), (121, 2140268), (143, 1810996), (158, 1639066), (242, 1070134), (286, 905498), (316, 819533), (484, 535067), (521, 497068), (572, 452749), (869, 298012), (1027, 252164), (1042, 248534), (1573, 164636), (1738, 149006), (2054, 126082), (2084, 124267), (3146, 82318), (3476, 74503), (4108, 63041), (5731, 45188), (6292, 41159), (6773, 38236), (9559, 27092), (11297, 22924), (11462, 22594), (13546, 19118)]