197237888

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{25261}}^1$

素因数の和:25336

約数の個数: 32

約数和(自身を含む): 399392220

約数和(自身を除く): 202154332

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 25261, 50522, 101044, 202088, 404176, 808352, 1540921, 1616704, 3081842, 3233408, 6163684, 12327368, 24654736, 49309472, 98618944, 197237888]

約数ペア:

[(1, 197237888), (2, 98618944), (4, 49309472), (8, 24654736), (16, 12327368), (32, 6163684), (61, 3233408), (64, 3081842), (122, 1616704), (128, 1540921), (244, 808352), (488, 404176), (976, 202088), (1952, 101044), (3904, 50522), (7808, 25261)]