388666502

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{2287}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 680908800

約数和(自身を除く): 292242298

約数列:

[1, 2, 7, 14, 61, 122, 199, 398, 427, 854, 1393, 2287, 2786, 4574, 12139, 16009, 24278, 32018, 84973, 139507, 169946, 279014, 455113, 910226, 976549, 1953098, 3185791, 6371582, 27761893, 55523786, 194333251, 388666502]

約数ペア:

[(1, 388666502), (2, 194333251), (7, 55523786), (14, 27761893), (61, 6371582), (122, 3185791), (199, 1953098), (398, 976549), (427, 910226), (854, 455113), (1393, 279014), (2287, 169946), (2786, 139507), (4574, 84973), (12139, 32018), (16009, 24278)]