1971413738

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 3658265856

約数和(自身を除く): 1686852118

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 251, 427, 502, 541, 854, 1037, 1082, 1757, 2074, 3514, 3787, 4267, 7259, 7574, 8534, 9197, 14518, 15311, 18394, 29869, 30622, 33001, 59738, 64379, 66002, 107177, 128758, 135791, 214354, 231007, 260287, 271582, 462014, 520574, 561017, 950537, 1122034, 1822009, 1901074, 2308447, 3644018, 3927119, 4616894, 7854238, 8283251, 16159129, 16566502, 32318258, 57982757, 115965514, 140815267, 281630534, 985706869, 1971413738]

約数ペア:

[(1, 1971413738), (2, 985706869), (7, 281630534), (14, 140815267), (17, 115965514), (34, 57982757), (61, 32318258), (119, 16566502), (122, 16159129), (238, 8283251), (251, 7854238), (427, 4616894), (502, 3927119), (541, 3644018), (854, 2308447), (1037, 1901074), (1082, 1822009), (1757, 1122034), (2074, 950537), (3514, 561017), (3787, 520574), (4267, 462014), (7259, 271582), (7574, 260287), (8534, 231007), (9197, 214354), (14518, 135791), (15311, 128758), (18394, 107177), (29869, 66002), (30622, 64379), (33001, 59738)]