156978681416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{9931}}^1\times {\mathrm{103993}}^1$

素因数の和:113949

約数の個数: 32

約数和(自身を含む): 309860522400

約数和(自身を除く): 152881840984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 9931, 19862, 39724, 79448, 103993, 188689, 207986, 377378, 415972, 754756, 831944, 1509512, 1975867, 3951734, 7903468, 15806936, 1032754483, 2065508966, 4131017932, 8262035864, 19622335177, 39244670354, 78489340708, 156978681416]

約数ペア:

[(1, 156978681416), (2, 78489340708), (4, 39244670354), (8, 19622335177), (19, 8262035864), (38, 4131017932), (76, 2065508966), (152, 1032754483), (9931, 15806936), (19862, 7903468), (39724, 3951734), (79448, 1975867), (103993, 1509512), (188689, 831944), (207986, 754756), (377378, 415972)]