287672008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{739}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 615384000

約数和(自身を除く): 327711992

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 197, 247, 394, 494, 739, 788, 988, 1478, 1576, 1976, 2561, 2956, 3743, 5122, 5912, 7486, 9607, 10244, 14041, 14972, 19214, 20488, 28082, 29944, 38428, 48659, 56164, 76856, 97318, 112328, 145583, 182533, 194636, 291166, 365066, 389272, 582332, 730132, 1164664, 1460264, 1892579, 2766077, 3785158, 5532154, 7570316, 11064308, 15140632, 22128616, 35959001, 71918002, 143836004, 287672008]

約数ペア:

[(1, 287672008), (2, 143836004), (4, 71918002), (8, 35959001), (13, 22128616), (19, 15140632), (26, 11064308), (38, 7570316), (52, 5532154), (76, 3785158), (104, 2766077), (152, 1892579), (197, 1460264), (247, 1164664), (394, 730132), (494, 582332), (739, 389272), (788, 365066), (988, 291166), (1478, 194636), (1576, 182533), (1976, 145583), (2561, 112328), (2956, 97318), (3743, 76856), (5122, 56164), (5912, 48659), (7486, 38428), (9607, 29944), (10244, 28082), (14041, 20488), (14972, 19214)]