1311204736

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{557}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 2673913680

約数和(自身を除く): 1362708944

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 347, 424, 557, 694, 848, 1114, 1388, 1696, 2228, 2776, 3392, 4456, 5552, 6784, 8912, 11104, 17824, 18391, 22208, 29521, 35648, 36782, 44416, 59042, 71296, 73564, 118084, 147128, 193279, 236168, 294256, 386558, 472336, 588512, 773116, 944672, 1177024, 1546232, 1889344, 2354048, 3092464, 3778688, 6184928, 10243787, 12369856, 20487574, 24739712, 40975148, 81950296, 163900592, 327801184, 655602368, 1311204736]

約数ペア:

[(1, 1311204736), (2, 655602368), (4, 327801184), (8, 163900592), (16, 81950296), (32, 40975148), (53, 24739712), (64, 20487574), (106, 12369856), (128, 10243787), (212, 6184928), (347, 3778688), (424, 3092464), (557, 2354048), (694, 1889344), (848, 1546232), (1114, 1177024), (1388, 944672), (1696, 773116), (2228, 588512), (2776, 472336), (3392, 386558), (4456, 294256), (5552, 236168), (6784, 193279), (8912, 147128), (11104, 118084), (17824, 73564), (18391, 71296), (22208, 59042), (29521, 44416), (35648, 36782)]