838639404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{39551}}^1$

素因数の和:39611

約数の個数: 72

約数和(自身を含む): 2303508480

約数和(自身を除く): 1464869076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10602, 21204, 39551, 79102, 118653, 158204, 237306, 355959, 474612, 711918, 751469, 1226081, 1423836, 1502938, 2254407, 2452162, 3005876, 3678243, 4508814, 4904324, 6763221, 7356486, 9017628, 11034729, 13526442, 14712972, 22069458, 23295539, 27052884, 44138916, 46591078, 69886617, 93182156, 139773234, 209659851, 279546468, 419319702, 838639404]

約数ペア:

[(1, 838639404), (2, 419319702), (3, 279546468), (4, 209659851), (6, 139773234), (9, 93182156), (12, 69886617), (18, 46591078), (19, 44138916), (31, 27052884), (36, 23295539), (38, 22069458), (57, 14712972), (62, 13526442), (76, 11034729), (93, 9017628), (114, 7356486), (124, 6763221), (171, 4904324), (186, 4508814), (228, 3678243), (279, 3005876), (342, 2452162), (372, 2254407), (558, 1502938), (589, 1423836), (684, 1226081), (1116, 751469), (1178, 711918), (1767, 474612), (2356, 355959), (3534, 237306), (5301, 158204), (7068, 118653), (10602, 79102), (21204, 39551)]