388889148488

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{277}}^1\times {\mathrm{509}}^1\times {\mathrm{1193}}^1$

素因数の和:2019

約数の個数: 96

約数和(自身を含む): 779558898600

約数和(自身を除く): 390669750112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 289, 509, 554, 578, 1018, 1108, 1156, 1193, 2036, 2216, 2312, 2386, 4072, 4709, 4772, 8653, 9418, 9544, 17306, 18836, 20281, 34612, 37672, 40562, 69224, 80053, 81124, 140993, 147101, 160106, 162248, 281986, 294202, 320212, 330461, 344777, 563972, 588404, 607237, 640424, 660922, 689554, 1127944, 1176808, 1214474, 1321844, 1379108, 2396881, 2428948, 2643688, 2758216, 4793762, 4857896, 5617837, 9587524, 10323029, 11235674, 19175048, 20646058, 22471348, 40746977, 41292116, 44942696, 81493954, 82584232, 95503229, 162987908, 168204649, 175491493, 191006458, 325975816, 336409298, 350982986, 382012916, 672818596, 701965972, 764025832, 1345637192, 1403931944, 2859479033, 5718958066, 11437916132, 22875832264, 48611143561, 97222287122, 194444574244, 388889148488]

約数ペア:

[(1, 388889148488), (2, 194444574244), (4, 97222287122), (8, 48611143561), (17, 22875832264), (34, 11437916132), (68, 5718958066), (136, 2859479033), (277, 1403931944), (289, 1345637192), (509, 764025832), (554, 701965972), (578, 672818596), (1018, 382012916), (1108, 350982986), (1156, 336409298), (1193, 325975816), (2036, 191006458), (2216, 175491493), (2312, 168204649), (2386, 162987908), (4072, 95503229), (4709, 82584232), (4772, 81493954), (8653, 44942696), (9418, 41292116), (9544, 40746977), (17306, 22471348), (18836, 20646058), (20281, 19175048), (34612, 11235674), (37672, 10323029), (40562, 9587524), (69224, 5617837), (80053, 4857896), (81124, 4793762), (140993, 2758216), (147101, 2643688), (160106, 2428948), (162248, 2396881), (281986, 1379108), (294202, 1321844), (320212, 1214474), (330461, 1176808), (344777, 1127944), (563972, 689554), (588404, 660922), (607237, 640424)]