201615505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 305835264

約数和(自身を除く): 104219759

約数列:

[1, 5, 7, 13, 35, 65, 71, 79, 91, 355, 395, 455, 497, 553, 923, 1027, 2485, 2765, 4615, 5135, 5609, 6241, 6461, 7189, 28045, 31205, 32305, 35945, 39263, 43687, 72917, 81133, 196315, 218435, 364585, 405665, 443111, 510419, 567931, 2215555, 2552095, 2839655, 3101777, 5760443, 15508885, 28802215, 40323101, 201615505]

約数ペア:

[(1, 201615505), (5, 40323101), (7, 28802215), (13, 15508885), (35, 5760443), (65, 3101777), (71, 2839655), (79, 2552095), (91, 2215555), (355, 567931), (395, 510419), (455, 443111), (497, 405665), (553, 364585), (923, 218435), (1027, 196315), (2485, 81133), (2765, 72917), (4615, 43687), (5135, 39263), (5609, 35945), (6241, 32305), (6461, 31205), (7189, 28045)]