1278756076

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 2525107200

約数和(自身を除く): 1246351124

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 139, 169, 278, 338, 403, 439, 556, 676, 806, 878, 1612, 1756, 1807, 3614, 4309, 5239, 5707, 7228, 8618, 10478, 11414, 13609, 17236, 20956, 22828, 23491, 27218, 46982, 54436, 56017, 61021, 74191, 93964, 112034, 122042, 148382, 176917, 224068, 244084, 296764, 353834, 707668, 728221, 793273, 1456442, 1586546, 1891651, 2299921, 2912884, 3173092, 3783302, 4599842, 7566604, 9199684, 10312549, 20625098, 24591463, 41250196, 49182926, 98365852, 319689019, 639378038, 1278756076]

約数ペア:

[(1, 1278756076), (2, 639378038), (4, 319689019), (13, 98365852), (26, 49182926), (31, 41250196), (52, 24591463), (62, 20625098), (124, 10312549), (139, 9199684), (169, 7566604), (278, 4599842), (338, 3783302), (403, 3173092), (439, 2912884), (556, 2299921), (676, 1891651), (806, 1586546), (878, 1456442), (1612, 793273), (1756, 728221), (1807, 707668), (3614, 353834), (4309, 296764), (5239, 244084), (5707, 224068), (7228, 176917), (8618, 148382), (10478, 122042), (11414, 112034), (13609, 93964), (17236, 74191), (20956, 61021), (22828, 56017), (23491, 54436), (27218, 46982)]