12497778

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 28238496

約数和(自身を除く): 15740718

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 241, 258, 387, 402, 482, 603, 723, 774, 1206, 1446, 2169, 2881, 4338, 5762, 8643, 10363, 16147, 17286, 20726, 25929, 31089, 32294, 48441, 51858, 62178, 93267, 96882, 145323, 186534, 290646, 694321, 1388642, 2082963, 4165926, 6248889, 12497778]

約数ペア:

[(1, 12497778), (2, 6248889), (3, 4165926), (6, 2082963), (9, 1388642), (18, 694321), (43, 290646), (67, 186534), (86, 145323), (129, 96882), (134, 93267), (201, 62178), (241, 51858), (258, 48441), (387, 32294), (402, 31089), (482, 25929), (603, 20726), (723, 17286), (774, 16147), (1206, 10363), (1446, 8643), (2169, 5762), (2881, 4338)]