287378748

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3987

約数の個数: 72

約数和(自身を含む): 762259680

約数和(自身を除く): 474880932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 284, 348, 426, 522, 639, 852, 1044, 1278, 2059, 2556, 3877, 4118, 6177, 7754, 8236, 11631, 12354, 15508, 18531, 23262, 24708, 34893, 37062, 46524, 69786, 74124, 112433, 139572, 224866, 275267, 337299, 449732, 550534, 674598, 825801, 1011897, 1101068, 1349196, 1651602, 2023794, 2477403, 3303204, 4047588, 4954806, 7982743, 9909612, 15965486, 23948229, 31930972, 47896458, 71844687, 95792916, 143689374, 287378748]

約数ペア:

[(1, 287378748), (2, 143689374), (3, 95792916), (4, 71844687), (6, 47896458), (9, 31930972), (12, 23948229), (18, 15965486), (29, 9909612), (36, 7982743), (58, 4954806), (71, 4047588), (87, 3303204), (116, 2477403), (142, 2023794), (174, 1651602), (213, 1349196), (261, 1101068), (284, 1011897), (348, 825801), (426, 674598), (522, 550534), (639, 449732), (852, 337299), (1044, 275267), (1278, 224866), (2059, 139572), (2556, 112433), (3877, 74124), (4118, 69786), (6177, 46524), (7754, 37062), (8236, 34893), (11631, 24708), (12354, 23262), (15508, 18531)]