51255490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 64

約数和(自身を含む): 110097792

約数和(自身を除く): 58842302

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 286, 365, 491, 715, 730, 803, 949, 982, 1430, 1606, 1898, 2455, 4015, 4745, 4910, 5401, 6383, 8030, 9490, 10439, 10802, 12766, 20878, 27005, 31915, 35843, 52195, 54010, 63830, 70213, 71686, 104390, 140426, 179215, 351065, 358430, 394273, 465959, 702130, 788546, 931918, 1971365, 2329795, 3942730, 4659590, 5125549, 10251098, 25627745, 51255490]

約数ペア:

[(1, 51255490), (2, 25627745), (5, 10251098), (10, 5125549), (11, 4659590), (13, 3942730), (22, 2329795), (26, 1971365), (55, 931918), (65, 788546), (73, 702130), (110, 465959), (130, 394273), (143, 358430), (146, 351065), (286, 179215), (365, 140426), (491, 104390), (715, 71686), (730, 70213), (803, 63830), (949, 54010), (982, 52195), (1430, 35843), (1606, 31915), (1898, 27005), (2455, 20878), (4015, 12766), (4745, 10802), (4910, 10439), (5401, 9490), (6383, 8030)]