71347965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 128679936

約数和(自身を除く): 57331971

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 67, 127, 129, 195, 201, 215, 335, 381, 559, 635, 645, 871, 1005, 1651, 1677, 1905, 2613, 2795, 2881, 4355, 4953, 5461, 8255, 8385, 8509, 8643, 13065, 14405, 16383, 24765, 25527, 27305, 37453, 42545, 43215, 70993, 81915, 110617, 112359, 127635, 187265, 212979, 331851, 354965, 365887, 553085, 561795, 1064895, 1097661, 1659255, 1829435, 4756531, 5488305, 14269593, 23782655, 71347965]

約数ペア:

[(1, 71347965), (3, 23782655), (5, 14269593), (13, 5488305), (15, 4756531), (39, 1829435), (43, 1659255), (65, 1097661), (67, 1064895), (127, 561795), (129, 553085), (195, 365887), (201, 354965), (215, 331851), (335, 212979), (381, 187265), (559, 127635), (635, 112359), (645, 110617), (871, 81915), (1005, 70993), (1651, 43215), (1677, 42545), (1905, 37453), (2613, 27305), (2795, 25527), (2881, 24765), (4355, 16383), (4953, 14405), (5461, 13065), (8255, 8643), (8385, 8509)]