2638636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 6209280

約数和(自身を除く): 3570644

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 659, 1001, 1318, 2002, 2636, 4004, 4613, 7249, 8567, 9226, 14498, 17134, 18452, 28996, 34268, 50743, 59969, 94237, 101486, 119938, 188474, 202972, 239876, 376948, 659659, 1319318, 2638636]

約数ペア:

[(1, 2638636), (2, 1319318), (4, 659659), (7, 376948), (11, 239876), (13, 202972), (14, 188474), (22, 119938), (26, 101486), (28, 94237), (44, 59969), (52, 50743), (77, 34268), (91, 28996), (143, 18452), (154, 17134), (182, 14498), (286, 9226), (308, 8567), (364, 7249), (572, 4613), (659, 4004), (1001, 2636), (1318, 2002)]