31677256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 44527544

約数列:

[1, 2, 4, 8, 13, 17, 19, 23, 26, 34, 38, 41, 46, 52, 68, 76, 82, 92, 104, 136, 152, 164, 184, 221, 247, 299, 323, 328, 391, 437, 442, 494, 533, 598, 646, 697, 779, 782, 874, 884, 943, 988, 1066, 1196, 1292, 1394, 1558, 1564, 1748, 1768, 1886, 1976, 2132, 2392, 2584, 2788, 3116, 3128, 3496, 3772, 4199, 4264, 5083, 5576, 5681, 6232, 7429, 7544, 8398, 9061, 10127, 10166, 11362, 12259, 13243, 14858, 16031, 16796, 17917, 18122, 20254, 20332, 22724, 24518, 26486, 29716, 32062, 33592, 35834, 36244, 40508, 40664, 45448, 49036, 52972, 59432, 64124, 71668, 72488, 81016, 96577, 98072, 105944, 128248, 143336, 172159, 193154, 208403, 232921, 304589, 344318, 386308, 416806, 465842, 609178, 688636, 772616, 833612, 931684, 1218356, 1377272, 1667224, 1863368, 2436712, 3959657, 7919314, 15838628, 31677256]

約数ペア:

[(1, 31677256), (2, 15838628), (4, 7919314), (8, 3959657), (13, 2436712), (17, 1863368), (19, 1667224), (23, 1377272), (26, 1218356), (34, 931684), (38, 833612), (41, 772616), (46, 688636), (52, 609178), (68, 465842), (76, 416806), (82, 386308), (92, 344318), (104, 304589), (136, 232921), (152, 208403), (164, 193154), (184, 172159), (221, 143336), (247, 128248), (299, 105944), (323, 98072), (328, 96577), (391, 81016), (437, 72488), (442, 71668), (494, 64124), (533, 59432), (598, 52972), (646, 49036), (697, 45448), (779, 40664), (782, 40508), (874, 36244), (884, 35834), (943, 33592), (988, 32062), (1066, 29716), (1196, 26486), (1292, 24518), (1394, 22724), (1558, 20332), (1564, 20254), (1748, 18122), (1768, 17917), (1886, 16796), (1976, 16031), (2132, 14858), (2392, 13243), (2584, 12259), (2788, 11362), (3116, 10166), (3128, 10127), (3496, 9061), (3772, 8398), (4199, 7544), (4264, 7429), (5083, 6232), (5576, 5681)]