1387428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 3763200

約数和(自身を除く): 2375772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 199, 249, 332, 398, 498, 581, 597, 796, 996, 1162, 1194, 1393, 1743, 2324, 2388, 2786, 3486, 4179, 5572, 6972, 8358, 16517, 16716, 33034, 49551, 66068, 99102, 115619, 198204, 231238, 346857, 462476, 693714, 1387428]

約数ペア:

[(1, 1387428), (2, 693714), (3, 462476), (4, 346857), (6, 231238), (7, 198204), (12, 115619), (14, 99102), (21, 66068), (28, 49551), (42, 33034), (83, 16716), (84, 16517), (166, 8358), (199, 6972), (249, 5572), (332, 4179), (398, 3486), (498, 2786), (581, 2388), (597, 2324), (796, 1743), (996, 1393), (1162, 1194)]