1640697064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 3303720000

約数和(自身を除く): 1663022936

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 229, 278, 379, 458, 556, 758, 916, 1112, 1516, 1832, 2363, 3032, 3893, 4726, 6443, 7786, 9452, 12886, 15572, 18904, 25772, 31144, 31831, 51544, 52681, 63662, 86791, 105362, 127324, 173582, 210724, 254648, 347164, 421448, 541127, 694328, 895577, 1082254, 1475447, 1791154, 2164508, 2950894, 3582308, 4329016, 5901788, 7164616, 11803576, 12063949, 24127898, 48255796, 96511592, 205087133, 410174266, 820348532, 1640697064]

約数ペア:

[(1, 1640697064), (2, 820348532), (4, 410174266), (8, 205087133), (17, 96511592), (34, 48255796), (68, 24127898), (136, 12063949), (139, 11803576), (229, 7164616), (278, 5901788), (379, 4329016), (458, 3582308), (556, 2950894), (758, 2164508), (916, 1791154), (1112, 1475447), (1516, 1082254), (1832, 895577), (2363, 694328), (3032, 541127), (3893, 421448), (4726, 347164), (6443, 254648), (7786, 210724), (9452, 173582), (12886, 127324), (15572, 105362), (18904, 86791), (25772, 63662), (31144, 52681), (31831, 51544)]