72421274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 117552000

約数和(自身を除く): 45130726

約数列:

[1, 2, 19, 38, 61, 122, 157, 199, 314, 398, 1159, 2318, 2983, 3781, 5966, 7562, 9577, 12139, 19154, 24278, 31243, 62486, 181963, 230641, 363926, 461282, 593617, 1187234, 1905823, 3811646, 36210637, 72421274]

約数ペア:

[(1, 72421274), (2, 36210637), (19, 3811646), (38, 1905823), (61, 1187234), (122, 593617), (157, 461282), (199, 363926), (314, 230641), (398, 181963), (1159, 62486), (2318, 31243), (2983, 24278), (3781, 19154), (5966, 12139), (7562, 9577)]