72278356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 72087404

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1301, 1462, 1634, 2602, 2924, 3268, 5204, 13889, 22117, 24719, 27778, 44234, 49438, 55556, 55943, 88468, 98876, 111886, 223772, 420223, 840446, 951031, 1062917, 1680892, 1902062, 2125834, 3804124, 4251668, 18069589, 36139178, 72278356]

約数ペア:

[(1, 72278356), (2, 36139178), (4, 18069589), (17, 4251668), (19, 3804124), (34, 2125834), (38, 1902062), (43, 1680892), (68, 1062917), (76, 951031), (86, 840446), (172, 420223), (323, 223772), (646, 111886), (731, 98876), (817, 88468), (1292, 55943), (1301, 55556), (1462, 49438), (1634, 44234), (2602, 27778), (2924, 24719), (3268, 22117), (5204, 13889)]