256088248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 540277920

約数和(自身を除く): 284189672

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 61, 74, 104, 122, 148, 244, 296, 481, 488, 793, 962, 1091, 1586, 1924, 2182, 2257, 3172, 3848, 4364, 4514, 6344, 8728, 9028, 14183, 18056, 28366, 29341, 40367, 56732, 58682, 66551, 80734, 113464, 117364, 133102, 161468, 234728, 266204, 322936, 524771, 532408, 865163, 1049542, 1730326, 2099084, 2462387, 3460652, 4198168, 4924774, 6921304, 9849548, 19699096, 32011031, 64022062, 128044124, 256088248]

約数ペア:

[(1, 256088248), (2, 128044124), (4, 64022062), (8, 32011031), (13, 19699096), (26, 9849548), (37, 6921304), (52, 4924774), (61, 4198168), (74, 3460652), (104, 2462387), (122, 2099084), (148, 1730326), (244, 1049542), (296, 865163), (481, 532408), (488, 524771), (793, 322936), (962, 266204), (1091, 234728), (1586, 161468), (1924, 133102), (2182, 117364), (2257, 113464), (3172, 80734), (3848, 66551), (4364, 58682), (4514, 56732), (6344, 40367), (8728, 29341), (9028, 28366), (14183, 18056)]