128618464

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1452

約数の個数: 72

約数和(自身を含む): 290530800

約数和(自身を除く): 161912336

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 884, 1352, 1399, 1768, 2704, 2798, 2873, 3536, 5408, 5596, 5746, 7072, 11192, 11492, 18187, 22384, 22984, 23783, 36374, 44768, 45968, 47566, 72748, 91936, 95132, 145496, 190264, 236431, 290992, 309179, 380528, 472862, 581984, 618358, 761056, 945724, 1236716, 1891448, 2473432, 3782896, 4019327, 4946864, 7565792, 8038654, 9893728, 16077308, 32154616, 64309232, 128618464]

約数ペア:

[(1, 128618464), (2, 64309232), (4, 32154616), (8, 16077308), (13, 9893728), (16, 8038654), (17, 7565792), (26, 4946864), (32, 4019327), (34, 3782896), (52, 2473432), (68, 1891448), (104, 1236716), (136, 945724), (169, 761056), (208, 618358), (221, 581984), (272, 472862), (338, 380528), (416, 309179), (442, 290992), (544, 236431), (676, 190264), (884, 145496), (1352, 95132), (1399, 91936), (1768, 72748), (2704, 47566), (2798, 45968), (2873, 44768), (3536, 36374), (5408, 23783), (5596, 22984), (5746, 22384), (7072, 18187), (11192, 11492)]