2987408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 6309120

約数和(自身を除く): 3321712

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 317, 496, 589, 634, 1178, 1268, 2356, 2536, 4712, 5072, 6023, 9424, 9827, 12046, 19654, 24092, 39308, 48184, 78616, 96368, 157232, 186713, 373426, 746852, 1493704, 2987408]

約数ペア:

[(1, 2987408), (2, 1493704), (4, 746852), (8, 373426), (16, 186713), (19, 157232), (31, 96368), (38, 78616), (62, 48184), (76, 39308), (124, 24092), (152, 19654), (248, 12046), (304, 9827), (317, 9424), (496, 6023), (589, 5072), (634, 4712), (1178, 2536), (1268, 2356)]