28372036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 62318592

約数和(自身を除く): 33946556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 251, 308, 367, 502, 734, 1004, 1468, 1757, 2569, 2761, 3514, 4037, 5138, 5522, 7028, 8074, 10276, 11044, 16148, 19327, 28259, 38654, 56518, 77308, 92117, 113036, 184234, 368468, 644819, 1013287, 1289638, 2026574, 2579276, 4053148, 7093009, 14186018, 28372036]

約数ペア:

[(1, 28372036), (2, 14186018), (4, 7093009), (7, 4053148), (11, 2579276), (14, 2026574), (22, 1289638), (28, 1013287), (44, 644819), (77, 368468), (154, 184234), (251, 113036), (308, 92117), (367, 77308), (502, 56518), (734, 38654), (1004, 28259), (1468, 19327), (1757, 16148), (2569, 11044), (2761, 10276), (3514, 8074), (4037, 7028), (5138, 5522)]