197404784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 390750288

約数和(自身を除く): 193345504

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 257, 488, 514, 787, 976, 1028, 1574, 2056, 3148, 4112, 6296, 12592, 15677, 31354, 48007, 62708, 96014, 125416, 192028, 202259, 250832, 384056, 404518, 768112, 809036, 1618072, 3236144, 12337799, 24675598, 49351196, 98702392, 197404784]

約数ペア:

[(1, 197404784), (2, 98702392), (4, 49351196), (8, 24675598), (16, 12337799), (61, 3236144), (122, 1618072), (244, 809036), (257, 768112), (488, 404518), (514, 384056), (787, 250832), (976, 202259), (1028, 192028), (1574, 125416), (2056, 96014), (3148, 62708), (4112, 48007), (6296, 31354), (12592, 15677)]