774644260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{11593}}^1$

素因数の和:11872

約数の個数: 48

約数和(自身を含む): 1758856176

約数和(自身を除く): 984211916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 11593, 13364, 16705, 23186, 33410, 46372, 57965, 66820, 115930, 150709, 231860, 301418, 602836, 753545, 1507090, 2979401, 3014180, 5958802, 11917604, 14897005, 29794010, 38732213, 59588020, 77464426, 154928852, 193661065, 387322130, 774644260]

約数ペア:

[(1, 774644260), (2, 387322130), (4, 193661065), (5, 154928852), (10, 77464426), (13, 59588020), (20, 38732213), (26, 29794010), (52, 14897005), (65, 11917604), (130, 5958802), (257, 3014180), (260, 2979401), (514, 1507090), (1028, 753545), (1285, 602836), (2570, 301418), (3341, 231860), (5140, 150709), (6682, 115930), (11593, 66820), (13364, 57965), (16705, 46372), (23186, 33410)]