1555377948

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 3971634576

約数和(自身を除く): 2416256628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 401, 489, 652, 661, 802, 978, 1203, 1322, 1467, 1604, 1956, 1983, 2406, 2644, 2934, 3609, 3966, 4812, 5868, 5949, 7218, 7932, 11898, 14436, 23796, 65363, 107743, 130726, 196089, 215486, 261452, 265061, 323229, 392178, 430972, 530122, 588267, 646458, 784356, 795183, 969687, 1060244, 1176534, 1292916, 1590366, 1939374, 2353068, 2385549, 3180732, 3878748, 4771098, 9542196, 43204943, 86409886, 129614829, 172819772, 259229658, 388844487, 518459316, 777688974, 1555377948]

約数ペア:

[(1, 1555377948), (2, 777688974), (3, 518459316), (4, 388844487), (6, 259229658), (9, 172819772), (12, 129614829), (18, 86409886), (36, 43204943), (163, 9542196), (326, 4771098), (401, 3878748), (489, 3180732), (652, 2385549), (661, 2353068), (802, 1939374), (978, 1590366), (1203, 1292916), (1322, 1176534), (1467, 1060244), (1604, 969687), (1956, 795183), (1983, 784356), (2406, 646458), (2644, 588267), (2934, 530122), (3609, 430972), (3966, 392178), (4812, 323229), (5868, 265061), (5949, 261452), (7218, 215486), (7932, 196089), (11898, 130726), (14436, 107743), (23796, 65363)]