81814928

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 60

約数和(自身を含む): 174274560

約数和(自身を除く): 92459632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 169, 208, 316, 338, 383, 632, 676, 766, 1027, 1264, 1352, 1532, 2054, 2704, 3064, 4108, 4979, 6128, 8216, 9958, 13351, 16432, 19916, 26702, 30257, 39832, 53404, 60514, 64727, 79664, 106808, 121028, 129454, 213616, 242056, 258908, 393341, 484112, 517816, 786682, 1035632, 1573364, 3146728, 5113433, 6293456, 10226866, 20453732, 40907464, 81814928]

約数ペア:

[(1, 81814928), (2, 40907464), (4, 20453732), (8, 10226866), (13, 6293456), (16, 5113433), (26, 3146728), (52, 1573364), (79, 1035632), (104, 786682), (158, 517816), (169, 484112), (208, 393341), (316, 258908), (338, 242056), (383, 213616), (632, 129454), (676, 121028), (766, 106808), (1027, 79664), (1264, 64727), (1352, 60514), (1532, 53404), (2054, 39832), (2704, 30257), (3064, 26702), (4108, 19916), (4979, 16432), (6128, 13351), (8216, 9958)]