821569310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{22639}}^1$

素因数の和:22856

約数の個数: 32

約数和(自身を含む): 1564876800

約数和(自身を除く): 743307490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 382, 955, 1910, 3629, 7258, 18145, 22639, 36290, 45278, 113195, 226390, 430141, 860282, 2150705, 4301410, 4324049, 8648098, 21620245, 43240490, 82156931, 164313862, 410784655, 821569310]

約数ペア:

[(1, 821569310), (2, 410784655), (5, 164313862), (10, 82156931), (19, 43240490), (38, 21620245), (95, 8648098), (190, 4324049), (191, 4301410), (382, 2150705), (955, 860282), (1910, 430141), (3629, 226390), (7258, 113195), (18145, 45278), (22639, 36290)]