208976144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{1471}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 436972032

約数和(自身を除く): 227995888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 683, 1366, 1471, 2732, 2942, 5464, 5884, 8879, 10928, 11768, 17758, 19123, 23536, 35516, 38246, 71032, 76492, 142064, 152984, 305968, 1004693, 2009386, 4018772, 8037544, 13061009, 16075088, 26122018, 52244036, 104488072, 208976144]

約数ペア:

[(1, 208976144), (2, 104488072), (4, 52244036), (8, 26122018), (13, 16075088), (16, 13061009), (26, 8037544), (52, 4018772), (104, 2009386), (208, 1004693), (683, 305968), (1366, 152984), (1471, 142064), (2732, 76492), (2942, 71032), (5464, 38246), (5884, 35516), (8879, 23536), (10928, 19123), (11768, 17758)]