71313268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 144619776

約数和(自身を除く): 73306508

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 83, 124, 164, 166, 169, 332, 338, 403, 533, 676, 806, 1066, 1079, 1271, 1612, 2132, 2158, 2542, 2573, 3403, 4316, 5084, 5146, 5239, 6806, 6929, 10292, 10478, 13612, 13858, 14027, 16523, 20956, 27716, 28054, 33046, 33449, 44239, 56108, 66092, 66898, 88478, 105493, 133796, 176956, 210986, 214799, 421972, 429598, 434837, 575107, 859196, 869674, 1150214, 1371409, 1739348, 2300428, 2742818, 5485636, 17828317, 35656634, 71313268]

約数ペア:

[(1, 71313268), (2, 35656634), (4, 17828317), (13, 5485636), (26, 2742818), (31, 2300428), (41, 1739348), (52, 1371409), (62, 1150214), (82, 869674), (83, 859196), (124, 575107), (164, 434837), (166, 429598), (169, 421972), (332, 214799), (338, 210986), (403, 176956), (533, 133796), (676, 105493), (806, 88478), (1066, 66898), (1079, 66092), (1271, 56108), (1612, 44239), (2132, 33449), (2158, 33046), (2542, 28054), (2573, 27716), (3403, 20956), (4316, 16523), (5084, 14027), (5146, 13858), (5239, 13612), (6806, 10478), (6929, 10292)]