615293668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 1205124480

約数和(自身を除く): 589830812

約数列:

[1, 2, 4, 11, 22, 44, 71, 89, 142, 178, 284, 356, 781, 979, 1562, 1958, 2213, 3124, 3916, 4426, 6319, 8852, 12638, 24343, 25276, 48686, 69509, 97372, 139018, 157123, 196957, 278036, 314246, 393914, 628492, 787828, 1728353, 2166527, 3456706, 4333054, 6913412, 8666108, 13983947, 27967894, 55935788, 153823417, 307646834, 615293668]

約数ペア:

[(1, 615293668), (2, 307646834), (4, 153823417), (11, 55935788), (22, 27967894), (44, 13983947), (71, 8666108), (89, 6913412), (142, 4333054), (178, 3456706), (284, 2166527), (356, 1728353), (781, 787828), (979, 628492), (1562, 393914), (1958, 314246), (2213, 278036), (3124, 196957), (3916, 157123), (4426, 139018), (6319, 97372), (8852, 69509), (12638, 48686), (24343, 25276)]