155777778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 72

約数和(自身を含む): 374692500

約数和(自身を除く): 218914722

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 169, 234, 246, 338, 369, 507, 533, 738, 1014, 1066, 1249, 1521, 1599, 2498, 3042, 3198, 3747, 4797, 6929, 7494, 9594, 11241, 13858, 16237, 20787, 22482, 32474, 41574, 48711, 51209, 62361, 97422, 102418, 124722, 146133, 153627, 211081, 292266, 307254, 422162, 460881, 633243, 665717, 921762, 1266486, 1331434, 1899729, 1997151, 3799458, 3994302, 5991453, 8654321, 11982906, 17308642, 25962963, 51925926, 77888889, 155777778]

約数ペア:

[(1, 155777778), (2, 77888889), (3, 51925926), (6, 25962963), (9, 17308642), (13, 11982906), (18, 8654321), (26, 5991453), (39, 3994302), (41, 3799458), (78, 1997151), (82, 1899729), (117, 1331434), (123, 1266486), (169, 921762), (234, 665717), (246, 633243), (338, 460881), (369, 422162), (507, 307254), (533, 292266), (738, 211081), (1014, 153627), (1066, 146133), (1249, 124722), (1521, 102418), (1599, 97422), (2498, 62361), (3042, 51209), (3198, 48711), (3747, 41574), (4797, 32474), (6929, 22482), (7494, 20787), (9594, 16237), (11241, 13858)]