81801824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 188606880

約数和(自身を除く): 106805056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 43, 52, 68, 86, 104, 136, 172, 208, 221, 269, 272, 344, 416, 442, 538, 544, 559, 688, 731, 884, 1076, 1118, 1376, 1462, 1768, 2152, 2236, 2924, 3497, 3536, 4304, 4472, 4573, 5848, 6994, 7072, 8608, 8944, 9146, 9503, 11567, 11696, 13988, 17888, 18292, 19006, 23134, 23392, 27976, 36584, 38012, 46268, 55952, 59449, 73168, 76024, 92536, 111904, 118898, 146336, 150371, 152048, 185072, 196639, 237796, 300742, 304096, 370144, 393278, 475592, 601484, 786556, 951184, 1202968, 1573112, 1902368, 2405936, 2556307, 3146224, 4811872, 5112614, 6292448, 10225228, 20450456, 40900912, 81801824]

約数ペア:

[(1, 81801824), (2, 40900912), (4, 20450456), (8, 10225228), (13, 6292448), (16, 5112614), (17, 4811872), (26, 3146224), (32, 2556307), (34, 2405936), (43, 1902368), (52, 1573112), (68, 1202968), (86, 951184), (104, 786556), (136, 601484), (172, 475592), (208, 393278), (221, 370144), (269, 304096), (272, 300742), (344, 237796), (416, 196639), (442, 185072), (538, 152048), (544, 150371), (559, 146336), (688, 118898), (731, 111904), (884, 92536), (1076, 76024), (1118, 73168), (1376, 59449), (1462, 55952), (1768, 46268), (2152, 38012), (2236, 36584), (2924, 27976), (3497, 23392), (3536, 23134), (4304, 19006), (4472, 18292), (4573, 17888), (5848, 13988), (6994, 11696), (7072, 11567), (8608, 9503), (8944, 9146)]