388478878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 617227776

約数和(自身を除く): 228748898

約数列:

[1, 2, 23, 46, 163, 197, 263, 326, 394, 526, 3749, 4531, 6049, 7498, 9062, 12098, 32111, 42869, 51811, 64222, 85738, 103622, 738553, 985987, 1191653, 1477106, 1971974, 2383306, 8445193, 16890386, 194239439, 388478878]

約数ペア:

[(1, 388478878), (2, 194239439), (23, 16890386), (46, 8445193), (163, 2383306), (197, 1971974), (263, 1477106), (326, 1191653), (394, 985987), (526, 738553), (3749, 103622), (4531, 85738), (6049, 64222), (7498, 51811), (9062, 42869), (12098, 32111)]