25998156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 69888000

約数和(自身を除く): 43889844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 191, 199, 228, 342, 382, 398, 573, 597, 684, 764, 796, 1146, 1194, 1719, 1791, 2292, 2388, 3438, 3582, 3629, 3781, 6876, 7164, 7258, 7562, 10887, 11343, 14516, 15124, 21774, 22686, 32661, 34029, 38009, 43548, 45372, 65322, 68058, 76018, 114027, 130644, 136116, 152036, 228054, 342081, 456108, 684162, 722171, 1368324, 1444342, 2166513, 2888684, 4333026, 6499539, 8666052, 12999078, 25998156]

約数ペア:

[(1, 25998156), (2, 12999078), (3, 8666052), (4, 6499539), (6, 4333026), (9, 2888684), (12, 2166513), (18, 1444342), (19, 1368324), (36, 722171), (38, 684162), (57, 456108), (76, 342081), (114, 228054), (171, 152036), (191, 136116), (199, 130644), (228, 114027), (342, 76018), (382, 68058), (398, 65322), (573, 45372), (597, 43548), (684, 38009), (764, 34029), (796, 32661), (1146, 22686), (1194, 21774), (1719, 15124), (1791, 14516), (2292, 11343), (2388, 10887), (3438, 7562), (3582, 7258), (3629, 7164), (3781, 6876)]