22997988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 63205688

約数和(自身を除く): 40207700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 313, 314, 468, 471, 626, 628, 939, 942, 1252, 1413, 1878, 1884, 2041, 2817, 2826, 3756, 4069, 4082, 5634, 5652, 6123, 8138, 8164, 11268, 12207, 12246, 16276, 18369, 24414, 24492, 36621, 36738, 48828, 49141, 73242, 73476, 98282, 146484, 147423, 196564, 294846, 442269, 589692, 638833, 884538, 1277666, 1769076, 1916499, 2555332, 3832998, 5749497, 7665996, 11498994, 22997988]

約数ペア:

[(1, 22997988), (2, 11498994), (3, 7665996), (4, 5749497), (6, 3832998), (9, 2555332), (12, 1916499), (13, 1769076), (18, 1277666), (26, 884538), (36, 638833), (39, 589692), (52, 442269), (78, 294846), (117, 196564), (156, 147423), (157, 146484), (234, 98282), (313, 73476), (314, 73242), (468, 49141), (471, 48828), (626, 36738), (628, 36621), (939, 24492), (942, 24414), (1252, 18369), (1413, 16276), (1878, 12246), (1884, 12207), (2041, 11268), (2817, 8164), (2826, 8138), (3756, 6123), (4069, 5652), (4082, 5634)]