71380192

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 155226456

約数和(自身を除く): 83846264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 169, 197, 208, 268, 338, 394, 416, 536, 676, 788, 871, 1072, 1352, 1576, 1742, 2144, 2561, 2704, 3152, 3484, 5122, 5408, 6304, 6968, 10244, 11323, 13199, 13936, 20488, 22646, 26398, 27872, 33293, 40976, 45292, 52796, 66586, 81952, 90584, 105592, 133172, 171587, 181168, 211184, 266344, 343174, 362336, 422368, 532688, 686348, 1065376, 1372696, 2230631, 2745392, 4461262, 5490784, 8922524, 17845048, 35690096, 71380192]

約数ペア:

[(1, 71380192), (2, 35690096), (4, 17845048), (8, 8922524), (13, 5490784), (16, 4461262), (26, 2745392), (32, 2230631), (52, 1372696), (67, 1065376), (104, 686348), (134, 532688), (169, 422368), (197, 362336), (208, 343174), (268, 266344), (338, 211184), (394, 181168), (416, 171587), (536, 133172), (676, 105592), (788, 90584), (871, 81952), (1072, 66586), (1352, 52796), (1576, 45292), (1742, 40976), (2144, 33293), (2561, 27872), (2704, 26398), (3152, 22646), (3484, 20488), (5122, 13936), (5408, 13199), (6304, 11323), (6968, 10244)]