216458502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{31181}}^1$

素因数の和:31288

約数の個数: 32

約数和(自身を含む): 471471840

約数和(自身を除く): 255013338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3471, 6942, 31181, 62362, 93543, 187086, 405353, 810706, 1216059, 2432118, 2775109, 5550218, 8325327, 16650654, 36076417, 72152834, 108229251, 216458502]

約数ペア:

[(1, 216458502), (2, 108229251), (3, 72152834), (6, 36076417), (13, 16650654), (26, 8325327), (39, 5550218), (78, 2775109), (89, 2432118), (178, 1216059), (267, 810706), (534, 405353), (1157, 187086), (2314, 93543), (3471, 62362), (6942, 31181)]