1640399428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{8087}}^1$

素因数の和:8284

約数の個数: 48

約数和(自身を含む): 3220318080

約数和(自身を除く): 1579918652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 157, 314, 323, 628, 646, 1292, 2669, 2983, 5338, 5966, 8087, 10676, 11932, 16174, 32348, 50711, 101422, 137479, 153653, 202844, 274958, 307306, 549916, 614612, 1269659, 2539318, 2612101, 5078636, 5224202, 10448404, 21584203, 24123521, 43168406, 48247042, 86336812, 96494084, 410099857, 820199714, 1640399428]

約数ペア:

[(1, 1640399428), (2, 820199714), (4, 410099857), (17, 96494084), (19, 86336812), (34, 48247042), (38, 43168406), (68, 24123521), (76, 21584203), (157, 10448404), (314, 5224202), (323, 5078636), (628, 2612101), (646, 2539318), (1292, 1269659), (2669, 614612), (2983, 549916), (5338, 307306), (5966, 274958), (8087, 202844), (10676, 153653), (11932, 137479), (16174, 101422), (32348, 50711)]