201219668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 387045120

約数和(自身を除く): 185825452

約数列:

[1, 2, 4, 13, 26, 52, 109, 131, 218, 262, 271, 436, 524, 542, 1084, 1417, 1703, 2834, 3406, 3523, 5668, 6812, 7046, 14092, 14279, 28558, 29539, 35501, 57116, 59078, 71002, 118156, 142004, 185627, 371254, 384007, 461513, 742508, 768014, 923026, 1536028, 1846052, 3869609, 7739218, 15478436, 50304917, 100609834, 201219668]

約数ペア:

[(1, 201219668), (2, 100609834), (4, 50304917), (13, 15478436), (26, 7739218), (52, 3869609), (109, 1846052), (131, 1536028), (218, 923026), (262, 768014), (271, 742508), (436, 461513), (524, 384007), (542, 371254), (1084, 185627), (1417, 142004), (1703, 118156), (2834, 71002), (3406, 59078), (3523, 57116), (5668, 35501), (6812, 29539), (7046, 28558), (14092, 14279)]