180972718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 292572000

約数和(自身を除く): 111599282

約数列:

[1, 2, 17, 34, 139, 149, 257, 278, 298, 514, 2363, 2533, 4369, 4726, 5066, 8738, 20711, 35723, 38293, 41422, 71446, 76586, 352087, 607291, 650981, 704174, 1214582, 1301962, 5322727, 10645454, 90486359, 180972718]

約数ペア:

[(1, 180972718), (2, 90486359), (17, 10645454), (34, 5322727), (139, 1301962), (149, 1214582), (257, 704174), (278, 650981), (298, 607291), (514, 352087), (2363, 76586), (2533, 71446), (4369, 41422), (4726, 38293), (5066, 35723), (8738, 20711)]