257215608

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 776160000

約数和(自身を除く): 518944392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 139, 156, 216, 234, 278, 312, 351, 417, 468, 556, 659, 702, 834, 936, 1112, 1251, 1318, 1404, 1668, 1807, 1977, 2502, 2636, 2808, 3336, 3614, 3753, 3954, 5004, 5272, 5421, 5931, 7228, 7506, 7908, 8567, 10008, 10842, 11862, 14456, 15012, 15816, 16263, 17134, 17793, 21684, 23724, 25701, 30024, 32526, 34268, 35586, 43368, 47448, 48789, 51402, 65052, 68536, 71172, 77103, 91601, 97578, 102804, 130104, 142344, 154206, 183202, 195156, 205608, 231309, 274803, 308412, 366404, 390312, 462618, 549606, 616824, 732808, 824409, 925236, 1099212, 1190813, 1648818, 1850472, 2198424, 2381626, 2473227, 3297636, 3572439, 4763252, 4946454, 6595272, 7144878, 9526504, 9892908, 10717317, 14289756, 19785816, 21434634, 28579512, 32151951, 42869268, 64303902, 85738536, 128607804, 257215608]

約数ペア:

[(1, 257215608), (2, 128607804), (3, 85738536), (4, 64303902), (6, 42869268), (8, 32151951), (9, 28579512), (12, 21434634), (13, 19785816), (18, 14289756), (24, 10717317), (26, 9892908), (27, 9526504), (36, 7144878), (39, 6595272), (52, 4946454), (54, 4763252), (72, 3572439), (78, 3297636), (104, 2473227), (108, 2381626), (117, 2198424), (139, 1850472), (156, 1648818), (216, 1190813), (234, 1099212), (278, 925236), (312, 824409), (351, 732808), (417, 616824), (468, 549606), (556, 462618), (659, 390312), (702, 366404), (834, 308412), (936, 274803), (1112, 231309), (1251, 205608), (1318, 195156), (1404, 183202), (1668, 154206), (1807, 142344), (1977, 130104), (2502, 102804), (2636, 97578), (2808, 91601), (3336, 77103), (3614, 71172), (3753, 68536), (3954, 65052), (5004, 51402), (5272, 48789), (5421, 47448), (5931, 43368), (7228, 35586), (7506, 34268), (7908, 32526), (8567, 30024), (10008, 25701), (10842, 23724), (11862, 21684), (14456, 17793), (15012, 17134), (15816, 16263)]