138774688

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 301045248

約数和(自身を除く): 162270560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 169, 208, 268, 338, 383, 416, 536, 676, 766, 871, 1072, 1352, 1532, 1742, 2144, 2704, 3064, 3484, 4979, 5408, 6128, 6968, 9958, 11323, 12256, 13936, 19916, 22646, 25661, 27872, 39832, 45292, 51322, 64727, 79664, 90584, 102644, 129454, 159328, 181168, 205288, 258908, 333593, 362336, 410576, 517816, 667186, 821152, 1035632, 1334372, 2071264, 2668744, 4336709, 5337488, 8673418, 10674976, 17346836, 34693672, 69387344, 138774688]

約数ペア:

[(1, 138774688), (2, 69387344), (4, 34693672), (8, 17346836), (13, 10674976), (16, 8673418), (26, 5337488), (32, 4336709), (52, 2668744), (67, 2071264), (104, 1334372), (134, 1035632), (169, 821152), (208, 667186), (268, 517816), (338, 410576), (383, 362336), (416, 333593), (536, 258908), (676, 205288), (766, 181168), (871, 159328), (1072, 129454), (1352, 102644), (1532, 90584), (1742, 79664), (2144, 64727), (2704, 51322), (3064, 45292), (3484, 39832), (4979, 27872), (5408, 25661), (6128, 22646), (6968, 19916), (9958, 13936), (11323, 12256)]