28277776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 58121280

約数和(自身を除く): 29843504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 167, 304, 334, 557, 668, 1114, 1336, 2228, 2672, 3173, 4456, 6346, 8912, 10583, 12692, 21166, 25384, 42332, 50768, 84664, 93019, 169328, 186038, 372076, 744152, 1488304, 1767361, 3534722, 7069444, 14138888, 28277776]

約数ペア:

[(1, 28277776), (2, 14138888), (4, 7069444), (8, 3534722), (16, 1767361), (19, 1488304), (38, 744152), (76, 372076), (152, 186038), (167, 169328), (304, 93019), (334, 84664), (557, 50768), (668, 42332), (1114, 25384), (1336, 21166), (2228, 12692), (2672, 10583), (3173, 8912), (4456, 6346)]