9800388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 27355328

約数和(自身を除く): 17554940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 487, 516, 559, 774, 974, 1118, 1461, 1548, 1677, 1948, 2236, 2922, 3354, 4383, 5031, 5844, 6331, 6708, 8766, 10062, 12662, 17532, 18993, 20124, 20941, 25324, 37986, 41882, 56979, 62823, 75972, 83764, 113958, 125646, 188469, 227916, 251292, 272233, 376938, 544466, 753876, 816699, 1088932, 1633398, 2450097, 3266796, 4900194, 9800388]

約数ペア:

[(1, 9800388), (2, 4900194), (3, 3266796), (4, 2450097), (6, 1633398), (9, 1088932), (12, 816699), (13, 753876), (18, 544466), (26, 376938), (36, 272233), (39, 251292), (43, 227916), (52, 188469), (78, 125646), (86, 113958), (117, 83764), (129, 75972), (156, 62823), (172, 56979), (234, 41882), (258, 37986), (387, 25324), (468, 20941), (487, 20124), (516, 18993), (559, 17532), (774, 12662), (974, 10062), (1118, 8766), (1461, 6708), (1548, 6331), (1677, 5844), (1948, 5031), (2236, 4383), (2922, 3354)]