28193396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 33738124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 239, 308, 383, 478, 766, 956, 1532, 1673, 2629, 2681, 3346, 4213, 5258, 5362, 6692, 8426, 10516, 10724, 16852, 18403, 29491, 36806, 58982, 73612, 91537, 117964, 183074, 366148, 640759, 1006907, 1281518, 2013814, 2563036, 4027628, 7048349, 14096698, 28193396]

約数ペア:

[(1, 28193396), (2, 14096698), (4, 7048349), (7, 4027628), (11, 2563036), (14, 2013814), (22, 1281518), (28, 1006907), (44, 640759), (77, 366148), (154, 183074), (239, 117964), (308, 91537), (383, 73612), (478, 58982), (766, 36806), (956, 29491), (1532, 18403), (1673, 16852), (2629, 10724), (2681, 10516), (3346, 8426), (4213, 6692), (5258, 5362)]