72952784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 144633600

約数和(自身を除く): 71680816

約数列:

[1, 2, 4, 8, 16, 71, 142, 149, 284, 298, 431, 568, 596, 862, 1136, 1192, 1724, 2384, 3448, 6896, 10579, 21158, 30601, 42316, 61202, 64219, 84632, 122404, 128438, 169264, 244808, 256876, 489616, 513752, 1027504, 4559549, 9119098, 18238196, 36476392, 72952784]

約数ペア:

[(1, 72952784), (2, 36476392), (4, 18238196), (8, 9119098), (16, 4559549), (71, 1027504), (142, 513752), (149, 489616), (284, 256876), (298, 244808), (431, 169264), (568, 128438), (596, 122404), (862, 84632), (1136, 64219), (1192, 61202), (1724, 42316), (2384, 30601), (3448, 21158), (6896, 10579)]