77714975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 109076352

約数和(自身を除く): 31361377

約数列:

[1, 5, 13, 25, 43, 65, 67, 83, 215, 325, 335, 415, 559, 871, 1075, 1079, 1675, 2075, 2795, 2881, 3569, 4355, 5395, 5561, 13975, 14405, 17845, 21775, 26975, 27805, 37453, 46397, 72025, 72293, 89225, 139025, 187265, 231985, 239123, 361465, 936325, 1159925, 1195615, 1807325, 3108599, 5978075, 15542995, 77714975]

約数ペア:

[(1, 77714975), (5, 15542995), (13, 5978075), (25, 3108599), (43, 1807325), (65, 1195615), (67, 1159925), (83, 936325), (215, 361465), (325, 239123), (335, 231985), (415, 187265), (559, 139025), (871, 89225), (1075, 72293), (1079, 72025), (1675, 46397), (2075, 37453), (2795, 27805), (2881, 26975), (3569, 21775), (4355, 17845), (5395, 14405), (5561, 13975)]