201620187181

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1\times {\mathrm{15727}}^1$

素因数の和:18145

約数の個数: 32

約数和(自身を含む): 248587960320

約数和(自身を除く): 46967773139

約数列:

[1, 7, 19, 41, 133, 287, 779, 2351, 5453, 15727, 16457, 44669, 96391, 110089, 298813, 312683, 644807, 674737, 1831429, 2091691, 4513649, 12251333, 12820003, 36974177, 85759331, 258819239, 702509363, 1515941257, 4917565541, 10611588799, 28802883883, 201620187181]

約数ペア:

[(1, 201620187181), (7, 28802883883), (19, 10611588799), (41, 4917565541), (133, 1515941257), (287, 702509363), (779, 258819239), (2351, 85759331), (5453, 36974177), (15727, 12820003), (16457, 12251333), (44669, 4513649), (96391, 2091691), (110089, 1831429), (298813, 674737), (312683, 644807)]