72666666

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 169021440

約数和(自身を除く): 96354774

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 83, 93, 166, 186, 249, 279, 498, 523, 558, 747, 837, 1046, 1494, 1569, 1674, 2241, 2573, 3138, 4482, 4707, 5146, 7719, 9414, 14121, 15438, 16213, 23157, 28242, 32426, 43409, 46314, 48639, 69471, 86818, 97278, 130227, 138942, 145917, 260454, 291834, 390681, 437751, 781362, 875502, 1172043, 1345679, 2344086, 2691358, 4037037, 8074074, 12111111, 24222222, 36333333, 72666666]

約数ペア:

[(1, 72666666), (2, 36333333), (3, 24222222), (6, 12111111), (9, 8074074), (18, 4037037), (27, 2691358), (31, 2344086), (54, 1345679), (62, 1172043), (83, 875502), (93, 781362), (166, 437751), (186, 390681), (249, 291834), (279, 260454), (498, 145917), (523, 138942), (558, 130227), (747, 97278), (837, 86818), (1046, 69471), (1494, 48639), (1569, 46314), (1674, 43409), (2241, 32426), (2573, 28242), (3138, 23157), (4482, 16213), (4707, 15438), (5146, 14121), (7719, 9414)]