27881476

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 29977724

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 149, 163, 164, 287, 298, 326, 574, 596, 652, 1043, 1141, 1148, 2086, 2282, 4172, 4564, 6109, 6683, 12218, 13366, 24287, 24436, 26732, 42763, 46781, 48574, 85526, 93562, 97148, 170009, 171052, 187124, 340018, 680036, 995767, 1991534, 3983068, 6970369, 13940738, 27881476]

約数ペア:

[(1, 27881476), (2, 13940738), (4, 6970369), (7, 3983068), (14, 1991534), (28, 995767), (41, 680036), (82, 340018), (149, 187124), (163, 171052), (164, 170009), (287, 97148), (298, 93562), (326, 85526), (574, 48574), (596, 46781), (652, 42763), (1043, 26732), (1141, 24436), (1148, 24287), (2086, 13366), (2282, 12218), (4172, 6683), (4564, 6109)]