81528468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 96

約数和(自身を含む): 238909440

約数和(自身を除く): 157380972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 57, 69, 76, 84, 92, 114, 133, 138, 161, 228, 266, 276, 322, 399, 437, 483, 532, 644, 798, 874, 966, 1311, 1596, 1748, 1932, 2221, 2622, 3059, 4442, 5244, 6118, 6663, 8884, 9177, 12236, 13326, 15547, 18354, 26652, 31094, 36708, 42199, 46641, 51083, 62188, 84398, 93282, 102166, 126597, 153249, 168796, 186564, 204332, 253194, 295393, 306498, 357581, 506388, 590786, 612996, 715162, 886179, 970577, 1072743, 1181572, 1430324, 1772358, 1941154, 2145486, 2911731, 3544716, 3882308, 4290972, 5823462, 6794039, 11646924, 13588078, 20382117, 27176156, 40764234, 81528468]

約数ペア:

[(1, 81528468), (2, 40764234), (3, 27176156), (4, 20382117), (6, 13588078), (7, 11646924), (12, 6794039), (14, 5823462), (19, 4290972), (21, 3882308), (23, 3544716), (28, 2911731), (38, 2145486), (42, 1941154), (46, 1772358), (57, 1430324), (69, 1181572), (76, 1072743), (84, 970577), (92, 886179), (114, 715162), (133, 612996), (138, 590786), (161, 506388), (228, 357581), (266, 306498), (276, 295393), (322, 253194), (399, 204332), (437, 186564), (483, 168796), (532, 153249), (644, 126597), (798, 102166), (874, 93282), (966, 84398), (1311, 62188), (1596, 51083), (1748, 46641), (1932, 42199), (2221, 36708), (2622, 31094), (3059, 26652), (4442, 18354), (5244, 15547), (6118, 13326), (6663, 12236), (8884, 9177)]