28967770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 56391552

約数和(自身を除く): 27423782

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 503, 886, 1006, 2215, 2515, 4430, 5030, 5759, 6539, 11518, 13078, 28795, 32695, 57590, 65390, 222829, 445658, 1114145, 2228290, 2896777, 5793554, 14483885, 28967770]

約数ペア:

[(1, 28967770), (2, 14483885), (5, 5793554), (10, 2896777), (13, 2228290), (26, 1114145), (65, 445658), (130, 222829), (443, 65390), (503, 57590), (886, 32695), (1006, 28795), (2215, 13078), (2515, 11518), (4430, 6539), (5030, 5759)]