668223556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9817}}^1$

素因数の和:9869

約数の個数: 96

約数和(自身を含む): 1662619392

約数和(自身を除く): 994395836

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 308, 364, 374, 442, 476, 572, 748, 884, 1001, 1309, 1547, 2002, 2431, 2618, 3094, 4004, 4862, 5236, 6188, 9724, 9817, 17017, 19634, 34034, 39268, 68068, 68719, 107987, 127621, 137438, 166889, 215974, 255242, 274876, 333778, 431948, 510484, 667556, 755909, 893347, 1168223, 1403831, 1511818, 1786694, 1835779, 2169557, 2336446, 2807662, 3023636, 3573388, 3671558, 4339114, 4672892, 5615324, 7343116, 8678228, 9826817, 12850453, 15186899, 19653634, 23865127, 25700906, 30373798, 39307268, 47730254, 51401812, 60747596, 95460508, 167055889, 334111778, 668223556]

約数ペア:

[(1, 668223556), (2, 334111778), (4, 167055889), (7, 95460508), (11, 60747596), (13, 51401812), (14, 47730254), (17, 39307268), (22, 30373798), (26, 25700906), (28, 23865127), (34, 19653634), (44, 15186899), (52, 12850453), (68, 9826817), (77, 8678228), (91, 7343116), (119, 5615324), (143, 4672892), (154, 4339114), (182, 3671558), (187, 3573388), (221, 3023636), (238, 2807662), (286, 2336446), (308, 2169557), (364, 1835779), (374, 1786694), (442, 1511818), (476, 1403831), (572, 1168223), (748, 893347), (884, 755909), (1001, 667556), (1309, 510484), (1547, 431948), (2002, 333778), (2431, 274876), (2618, 255242), (3094, 215974), (4004, 166889), (4862, 137438), (5236, 127621), (6188, 107987), (9724, 68719), (9817, 68068), (17017, 39268), (19634, 34034)]