66808352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3981

約数の個数: 48

約数和(自身を含む): 145138392

約数和(自身を除く): 78330040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 3917, 4264, 7834, 8528, 15668, 17056, 31336, 50921, 62672, 101842, 125344, 160597, 203684, 321194, 407368, 642388, 814736, 1284776, 1629472, 2087761, 2569552, 4175522, 5139104, 8351044, 16702088, 33404176, 66808352]

約数ペア:

[(1, 66808352), (2, 33404176), (4, 16702088), (8, 8351044), (13, 5139104), (16, 4175522), (26, 2569552), (32, 2087761), (41, 1629472), (52, 1284776), (82, 814736), (104, 642388), (164, 407368), (208, 321194), (328, 203684), (416, 160597), (533, 125344), (656, 101842), (1066, 62672), (1312, 50921), (2132, 31336), (3917, 17056), (4264, 15668), (7834, 8528)]