77678468

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 160406400

約数和(自身を除く): 82727932

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 149, 172, 298, 301, 433, 596, 602, 866, 1043, 1204, 1732, 2086, 3031, 4172, 6062, 6407, 12124, 12814, 18619, 25628, 37238, 44849, 64517, 74476, 89698, 129034, 130333, 179396, 258068, 260666, 451619, 521332, 903238, 1806476, 2774231, 5548462, 11096924, 19419617, 38839234, 77678468]

約数ペア:

[(1, 77678468), (2, 38839234), (4, 19419617), (7, 11096924), (14, 5548462), (28, 2774231), (43, 1806476), (86, 903238), (149, 521332), (172, 451619), (298, 260666), (301, 258068), (433, 179396), (596, 130333), (602, 129034), (866, 89698), (1043, 74476), (1204, 64517), (1732, 44849), (2086, 37238), (3031, 25628), (4172, 18619), (6062, 12814), (6407, 12124)]